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I'm trying to do a search for all torrent files and pdf files related to "secrets of the javascript ninja".

I can do them individually as shown:

"secrets of the javascript ninja" filetype:pdf (~6560 results)

"secrets of the javascript ninja" filetype:torrent (~146 results)

But how do we concatenate the results? In essense, I would like Google to display the union of the above two searches.

I've tried "secrets of the javascript ninja" filetype:(torrent or pdf) but it doesn't seem to be working. Is there a way to do union searches on Google?

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From the little casting about I've done, it looks like you need to use OR between the filetype: operator if you want multiple filetypes.

"secrets of the javascript ninja" filetype:pdf OR filetype:torrent

My quick tests seem to jive. It's a little hard to verify, because there are so many more PDF results than Torrent results (for this particular case, at least).

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  • I also did some casting around on this, and Google's performance seems odd. If I tred "secrets of the javascript ninja" filetype:pdf or filetype:torrent - I got no results. Ditto "secrets of the javascript ninja" filetype:pdf OR filetype:torrent (ie two spaces after an UpperCase OR).
    – MaryC.fromNZ
    Jan 9, 2014 at 15:57
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    You need to uppercase that "OR" or Google considers it part of the search string.
    – ale
    Jan 9, 2014 at 16:00
  • @AlE., No idea why, but it Doesn't work. Try this: "Fundamentals of Telecommunication Networks" filetype:pdf OR filetype:torrent. Does it work for you?
    – Pacerier
    Mar 8, 2014 at 1:59
  • Hard to say. I only get one torrent result when I search for that.
    – ale
    Mar 8, 2014 at 2:55

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