Here are some of the advanced search features available in the Google search engine. Using these can help you to improve the relevancy of your search results. Each example below has a live link that will demonstrate the search in Google.
" " (double quotes)
Use these to search for a phrase or an exact word match (not synonyms)
Searches within a specific domain or website. Keep in mind that anyone can register and post information on a .com, .net, .org domain. Sites that end in a .gov, .edu, or .mil have specific registration requirements, so websites on those domains are more controlled.
This searches for words that are close together in a sentence or paragraph. To use it, place AROUND (#) between search words and put a number in place of #. Make sure AROUND is all caps and that there is a space after it.