Variables would include controversy factor, number of people who fetishize what you're searching for, and the probability of porn already out there featuring it.
Bonus points if you have some type of safe search on.
Also, while trying to download the GAP (no, not the clothes) to Yoshi in the library earlier, I got this error.
C:\Documents and Settings\MYNAME\My Documents\gap4r4p12-win.zip could not be saved, because the source file could not be read.
Try again later, or contact the server administrator.
And I tried everything, even FTP-ing it. I would download it to Dora, but these days I'm on Yoshi much more often. If all else fails I'll see if I can dump it on Thawspace somewhere on campus.
(Yes, this is important. That group demands classifying, damnit, and all I can do at the moment is eliminate the ones I know it isn't. Which is... four of them. Eleven more to go.)