This will retrieve the largest number of pages. This is a broadest search. This kind of search will retrieve fewer pages. This is a more narrow search. . Number these titles in order of relevancy.
All search engines provide some kind of help.
You just have to examine their ad-cluttered pages closely enough to find the link to the help page. Visit the AltaVista page and find their help page. At the AltaVista help page you will find definitions of index and phrase . Briefly enter those definitions. Once you begin conducting research on the web you will need some method for evaluating what you retrieve.