use the following search parameters to narrow your results:
- find submissions in "sub"
- find submissions by "username"
- find submissions from "example.com"
- search for "text" in url
- search for "text" in self post contents
- self:yes (or self:no)
- include (or exclude) self posts
sub:pics site:imgur.com dog
advanced search: by author, sub...
there doesn't seem to be anything here