Since you can get frustrated very fast with poor matches, you need to know how to effectively and efficiently conduct your search so that you weed out what you don't need and keep what you do. Search Engines use Boolean logic operators to help set the search parameters. However, these two words could appear unrelated anywhere in the pages that are retrieved. These feature are why you need to be careful about not limiting your search parameters too much too soon. When in doubt, use lower-case letters.
All search engines provide helpful hints on constructing proper searches.
Some even let you conduct more advanced or complex searches. Still, while many of the commands you need to know are common to various engines, it is well worth your time to spend a few minutes reading through the tips and suggestions provided by the different engines as they will save you hours of fruitless searching. For more information on many of the search tips that you need, you should seek out search engine assistance to see how such things as Boolean operators can help you refine your search. Now that you've gotten a basic understanding of the different Boolean Operators and how each can help you in your search, you should play with the different search engines. Although some are better than others, it is primarily just a matter of personal preference.