+: the term following must be in the text (but may be stemmed)

"": search for exactly this phrase (not stemmed)

So for example: +hiking => a term like hike, hiking, hiker, etc. must be on the page

+"hiking" => the string "hiking" must be on the page

"hiking" trekking outdoor => look for the string "hiking" and preferably return results that contain it, though hits for trekking and outdoor (stemmed) suffice

But apparently I'm wrong, and "" and + don't mean that any longer?