Most people probably dont use google effectively anyway, no slight intended. They probably just type in one or two words and hit search. They most likely do not use the advanced option to specify phrases, must have words, must NOT have words etc.
Google's advanced input page can be found by clicking a link under the NEWS button / to the right of the "feeling lucky" button
Or you could bookmark this url
http://www.google.com/advanced_search?hl=en
For those that want alternatives to google, and there are some quite worthy ones out there, more so if you want/need to search specialised fields, then
www.searchenginewatch.com is well worth a look. It monitors the performance of more engines than kinks post count, provides reviews, suggestions on use, and mucho information