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

> Timer Script
    Downloads / Arma 3 / Editing / Scripts   ||  Tags: Editor, Endmission, Timer, Cba, Ace

Found in forums

> I want to disable the mission ending when everyone dies
    FORUMS / Editing / Mission editing / Arma 3   ||  Tags: Bird, End, Endmission, Respawn