Keywords may be separated by AND and/or OR statements for greater control of the search results.
For example, mario AND golf would generate a result set that contains both words. However, for mario OR golf, the result set returned would contain both or either words.
Exact matches can be searched for by enclosing keywords in double-quotes.
For example, "mario golf" would generate a result set which would match the exact string.
Brackets can be used for further control on the result set.
For example, mario and (golf or tennis or kart or "brothers 3").