Taggart 
(Read all the updates)
So uh, in more "Stop using Google for search" news...
UPDATE: For some reason,
UPDATE 2: It would appear that pairing
UPDATE 4: It is working today! It may well have been a bug.
Honestly just use DuckDuckGo.
So uh, in more "Stop using Google for search" news...
filetype: doesn't work anymore.UPDATE: For some reason,
file: works sometimes even though that's not a canonical filterUPDATE 2: It would appear that pairing
filetype: with site: can work, but not paired with other filters.UPDATE 4: It is working today! It may well have been a bug.
Honestly just use DuckDuckGo.
mandela