If y ou are looking for a specific concept or phrase, a search engine is the best place to start. And you would be smart to look in more than one, because each engine gives different results. Some of the most popular search engines are in our annotated list of selected search tools. All of the major search engines are similar in that you enter keywords, phrases, or proper names in a search form. After you click on search, submit, seek, or some other command button, the database returns a collection of hyperlinks to your screen.
Search engines determine relevance in different ways.
All search engines have online help to acquaint you with their search options. Two common search options that most search engines support are Boolean searching and phrase searching . Check out Using the Web for Research for more details. Read the Help or Tips section to learn the options, features, and idiosyncrasies of the search tool you're using. When ands and ors are used in one search statement, you must put parentheses around the items that are to be performed separately.