What keyboard shortcut do I use to return to the search section *AFTER* executing a search.

Question

Before executing a search, pressing Alt + C will put focus in the "Containing text" text box.
Pressing F5 executes the search and places focus on the results.

Pressing Alt + C after the search no longer places focus back in the "Containing text" text box.

Answer 1

Ctrl + T will take you back to the Search Criteria. You can also use the menu option:
Window -> Move Focus