ANDto find documents containing both terms. E.g.,
seaforth AND wightshows results with both "seaforth" and "wight".
ORfor documents with either term. E.g.,
seaforth OR wightfetches results with "seaforth", "wight", or both.
seaforth NOT wightfinds results with "seaforth" but without "wight".
seaforth OR wight.
(seaforth OR wight) AND enginefinds results with "engine" and either "seaforth" or "wight".
NOTare capitalized to work as operators.
"weather helm"will search for the phrase, not the individual words.