It will only make a link if both of the words are present - although these do not necessarily have to be located beside each other in the document. It is possible to combine two different operators. For example, if you were looking for information on drama resources, using just that one search term might not give you all that you wanted. It is possible to combine boolean operators in a complex set of instructions through the use of parentheses, however that topic is beyond the scope of these FAQs. Look for information on advanced search strategies if your want to learn more.
Some engines allow the use of just a few operators while others provide access to a wide range.
Check what the engine's default operator is before you elect not to enter boolean operators. Most search engines are pretty easy to use if you read their help information. A meta search engine is a search tool that doesn't create its own database of information, but instead searches those of other engines. Using multiple databases will mean that the search results are more comprehensive, but slower to obtain. Decide whether a search engine or a subject directory will be the best vehicle.