I saw this page http://www.101appsblog.com/alternativa-pc-game/
and it has footer saying
Incoming search terms: alternativa walkthrough alternativa game walkthrough
Does stackoverflow has statistics like this?
You can get some sort of non-authoritative analytics on alexa (click "Search analytics").
They are estimated, but should at least be somewhat accurate.
For Stack Overflow they would be:
As far as I know, not publicly, no. IIRC, moderators have guest access to SO's Google Analytics account, which contains such information. But it's not open to the public.