Tips
search with specific site
Precede your query with site: if you know you want your answer from within a
specific site or type of site (.org, .edu). For example: site:edu or
site:nytimes.com.op-ed site:nytimes.com
search by file type
Search for specific types of files, such as PDFs, PPTs, or XLS, by adding
filetype: and the 3-letter file abbreviation.affordable health care act filetype:ppt
get definition
put define: in front of any word to get its definition.define: loquaciousness