search engine question

[soctal]

hello, whenever i need to look a 2 to 3 word phase or term up in google or some other search engine, i place it between quotation marks and i get the results of the exact phase. however when i try to look up something on this site using 2 or 3 words between quotes, the results are not accurate at all. there might be just one word match and the results wind up useless. is there another way to do this i dont know about?
thanks