In Snow-Leopard: Is it possible to search in the Trash, and sort deleted files by date of deletion?
If you open up your trashcan into a Finder window. Then right click on empty space in that window go to "arrange by" and then down to date added. This is at least true in Lion I don't know what you are running or if it is true with other versions. Good luck!
You can use terminal to browse to the trash directory for your user
then you can use
to see all the files and you can search also using grep.
to see in date order try