Keywords may be separated by AND and/or OR statements for greater control of the search results.
For example, Speakers AND Subwoofers would generate a result set that contain both words. However, for Amplifiers OR Amps, the result set returned would contain both or either words.
Exact matches can be searched for by enclosing keywords in double-quotes.
For example, "Ceiling-Mount Monitors" would generate a result set which match the exact string.
Brackets can be used for further control on the result set.
For example, Receivers and (CD or MP3 or "Digital Media").