Instead of browsing/navigating through the search results using the Find Results window, you can simply highlight the usages in your code.
To highlight usages of a symbol in file:
- Position the caret at the symbol you want to search for in the editor;
- Press Ctrl + Shift + F7 or select ReSharper | Search | Highlight Usages in File in the main menu.
- In the following figure, we highlighted the usages of the local variable i. Note that the read accesses and the write accesses are highlighted in different colors:

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You can use the keyboard shortcut Ctrl + Alt + Up (respectively, Ctrl + Alt + Down) to navigate to the next (respectively, previous) usage.
Tip: To remove current highlighting, if any, press Escape.
See Also
Find Usages | Go to Usage |Code Navigation and Search