That is because unlike articles in indexes, or books in library catalogs, Web pages do not have assigned subject headings. On the Internet if the words you typed in are anywhere on the page, not necessarily even together, they can be retrieved in your search. Directories are usually better at finding general information, while search engines are generally best at finding very specific information. Try several search engines, decide which you are most comfortable with, and learn to use that one well. Learn about a search engine's options by reading or printing out the help pages.
Most search engines have help for both basic and more advanced searches.
By using all lower case you can retrieve the instances where it was used with capital letters as well as lower case. Use the Boolean operators and, or, not to make your search more effective. It's a big World Wide Web out there, with diverse organizations and individuals publishing Web pages. The most frequently used format at COM is the MLA format. In COM Library you can print Web pages or save them to a floppy disk .