Several comma-separated tags will be considered as logical AND between them. You can also use semicolon for logical OR. AND has a priority over OR and you cannot use parentheses for logical grouping. Asterisk (*) within a tag will be regarded as a mask for "any string".

Found in pages

> ArmA String Converter [BETA]
    Downloads / Arma 3 / Editing / Tools   ||  Tags: Converter, String

Found in forums

> Error in the editor
    FORUMS / Editing / Mission editing / Arma 3   ||  Tags: Error, Helicopter, Land, String