Trashcan Recovery (home work deleted!)

Hey guys i know this must be posted some were.......
im bad at the seach.

any way i deleted my paper on misuse of drugs and it was 2 pages long!
i was ceaning my desktop off...
well any way what can i use to recover somthing from my thrash can if i have emtyed it already?

i know ther is a way i have heard people talk about it.

i havent virus scaned ad ware scaned de freagged or windows srubbed since this happend last night....
HELP DUE TOMOROW!

Does this help?
http://aumha.org/a/recover.php