Bogleheads.org - Investing advice inspired by the example of Jack 
Bogle
Search Entire Site - through Google. This is the basic search from the homepage
 
Search Wiki Only - through Google
 
Phpbb Forum Search - the forum software's built-in search.
Go to the forum advanced search page for multiple search options including author searching, title only searches and searches restricted to one or more subforums. Hint: setting "Display Results as" to Posts and setting "Return First" to All Available lets you read the entire reply in the search results. Note: results are currently limited to threads created or updated after our forum upgrade on October 18, 2011.