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

> GF Headshot + Killfeed Script
    Downloads / Arma 3 / Editing / Scripts   ||  Tags: Headshot, Killfeed, Notification, Script

Found in forums

> Headshot + Killfeed Script
    FORUMS / Editing / Scripting / Arma 3   ||  Tags: Headshot, Killfeed, Script