Let me start off by saying I rarely use Google’s search suggestions, so I am going by hearsay in the forums (which I mostly do anyway). A WebmasterWorld thread is of the general consensus that Google’s search suggestions are getting smarter and figuring out abbreviations.

For example, if you type in glgle, Google thinks you mean Google:

Same with aho and other forums of “fat fingered” typos.

WebmasterWorld admin, Tedster said:

So maybe this is new, again, I have no idea. If it is, it is something SEOs and SEMs should be on the look out for.

Forum discussion at WebmasterWorld.