Plugin is build for fast navigation through sources.
After firing plugin by assigned keystroke you are able to write down text you want move to in pop-up area. While modifying text closes occurrence of input text will be marked as selected in editor. After pressing enter caret will be moved to the start of that occurrence.
Install plugin from Idea plugin repository by following this
guide
and install Go To Occurrence
Also if plugin was not published yet you can download and install it from goto_plugin.jar located under repos root
Go to Preferences > Keymap > Search for Go To Occurrence and assign preferred shortcut