You should be able to find your questions (even the deleted ones) [through your profile][1]. Deleted questions show up with a slightly red background.

If you have many, there's a "[recently deleted][2]" link at the bottom of that list.


  [1]: http://askubuntu.com/users/622/adam-matan?tab=questions
  [2]: http://askubuntu.com/users/recently-deleted-questions/622