If you are getting the quota problem, try clicking submit multiple times. It should work eventually.
Search for a video:
Search by username - lists videos by user by upload date (found on channel page (e.g. www.youtube.com/user/Eclipsexe/))
Search by username - lists videos by user by upload date (found on channel page (e.g. www.youtube.com/user/Eclipsexe/))