|Keywords may be separated by AND and/or OR statements for greater control of the search results.
For example, blue AND topaz would generate a result set that contain both words. However, for diamond OR emerald, the result set returned would contain both or either words.
Exact matches can be searched for by enclosing keywords in double-quotes.
For example, "diamond ring" would generate a result set which match the exact string.
Brackets can be used for further control on the result set.
For example, diamond AND (ring or bracelet or "earrings") .