diff --git a/sphinx/themes/basic/static/searchtools.js b/sphinx/themes/basic/static/searchtools.js
index 8bb1af5a448..f83101add89 100644
--- a/sphinx/themes/basic/static/searchtools.js
+++ b/sphinx/themes/basic/static/searchtools.js
@@ -187,7 +187,8 @@ const Search = {
     if (Search._queued_query !== null) {
       const query = Search._queued_query;
       Search._queued_query = null;
-      Search.query(query);
+      let { results, searchTerms, highlightTerms } = Search.query(query);
+      _displayNextItem(results, results.length, searchTerms, highlightTerms);
     }
   },
 
@@ -235,8 +236,12 @@ const Search = {
     Search.startPulse();
 
     // index already loaded, the browser was quick!
-    if (Search.hasIndex()) Search.query(query);
-    else Search.deferQuery(query);
+    if (Search.hasIndex()) { 
+      let { results, searchTerms, highlightTerms } = Search.query(query);
+      _displayNextItem(results, results.length, searchTerms, highlightTerms);
+    } else {
+      Search.deferQuery(query);
+    }
   },
 
   /**
@@ -367,8 +372,7 @@ const Search = {
     //Search.lastresults = results.slice();  // a copy
     // console.info("search results:", Search.lastresults);
 
-    // print the results
-    _displayNextItem(results, results.length, searchTerms, highlightTerms);
+    return { results, searchTerms, highlightTerms };
   },
 
   /**
@@ -463,17 +467,23 @@ const Search = {
         { files: terms[word], score: Scorer.term },
         { files: titleTerms[word], score: Scorer.title },
       ];
+
       // add support for partial matches
       if (word.length > 2) {
         const escapedWord = _escapeRegExp(word);
-        Object.keys(terms).forEach((term) => {
-          if (term.match(escapedWord) && !terms[word])
-            arr.push({ files: terms[term], score: Scorer.partialTerm });
-        });
-        Object.keys(titleTerms).forEach((term) => {
-          if (term.match(escapedWord) && !titleTerms[word])
-            arr.push({ files: titleTerms[word], score: Scorer.partialTitle });
-        });
+        if (!terms.hasOwnProperty(word)) {
+          Object.keys(terms).forEach((term) => {
+            if (term.match(escapedWord)) {
+              arr.push({ files: terms[term], score: Scorer.partialTerm });
+            }
+          });
+        }
+        if (!titleTerms.hasOwnProperty(word)) {
+          Object.keys(titleTerms).forEach((term) => {
+            if (term.match(escapedWord))
+              arr.push({ files: titleTerms[word], score: Scorer.partialTitle });
+          });
+        }
       }
 
       // no match but word was a required one
@@ -496,9 +506,13 @@ const Search = {
 
       // create the mapping
       files.forEach((file) => {
-        if (fileMap.has(file) && fileMap.get(file).indexOf(word) === -1)
-          fileMap.get(file).push(word);
-        else fileMap.set(file, [word]);
+        if (fileMap.has(file)) {
+          if (fileMap.get(file).indexOf(word) === -1) {
+            fileMap.get(file).push(word);
+          }
+        } else {
+          fileMap.set(file, [word]);
+        }
       });
     });
 
diff --git a/tests/js/documentation_options.js b/tests/js/documentation_options.js
index e736460a09f..5ca7f178768 100644
--- a/tests/js/documentation_options.js
+++ b/tests/js/documentation_options.js
@@ -1 +1,9 @@
 const DOCUMENTATION_OPTIONS = {};
+
+// stub Stemmer / stopWords
+function Stemmer() {
+    this.stemWord = function (word) {
+        return word;
+    }
+};
+let stopwords = [];
diff --git a/tests/js/searchtools.js b/tests/js/searchtools.js
index c9e0c43d3b2..765af56016c 100644
--- a/tests/js/searchtools.js
+++ b/tests/js/searchtools.js
@@ -21,7 +21,7 @@ describe('Basic html theme search', function() {
         "<no title>",
         "",
         null,
-        2,
+        5,
         "index.rst"
       ]];
       expect(Search.performTermsSearch(searchterms, excluded, terms, titleterms)).toEqual(hits);
@@ -29,6 +29,33 @@ describe('Basic html theme search', function() {
 
   });
 
+  describe('query', function() {
+    it("should duplicate on title and content", function() {
+      index = {
+        alltitles: {
+          'Main Page': [[0, 'main-page']],
+        },
+        docnames:["index"],
+        filenames:["index.rst"],
+        indexentries:{},
+        objects:{},
+        objtypes: {},
+        objnames: {},
+        terms:{main:0, page:0},
+        titles:["Main Page"],
+        titleterms:{ main:0, page:0 }
+      }
+      Search.setIndex(index);
+      let { results } = Search.query('main page');
+      // currently the search result is duplicated, see
+      // https://github.com/sphinx-doc/sphinx/pull/11942
+      expect(results).toEqual([
+        [ 'index', 'Main Page', '', null, 15, 'index.rst' ],
+        [ 'index', 'Main Page', '#main-page', null, 100, 'index.rst' ]
+      ]);
+    });
+  })
+
 });
 
 // This is regression test for https://github.com/sphinx-doc/sphinx/issues/3150