This document discusses advanced search techniques for Google including search operators like filetype, related, *, allintext, allintitle, allinurl, site, .., and - to refine search results. It provides examples of how to use each operator and what they search. It also summarizes Google Books, Google Scholar, and additional Google tools for finding books, scholarly articles, stock quotes, conversions, sunrise/sunset times, definitions, and checking spelling. Advanced searching gives more options than basic keyword searches to better find information.