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's Nature
    Downloads / Arma 3 / Addons / Objects   ||  Tags: Rocks, Trees, Bushes, Plants

Found in forums

> White dots on trees
    FORUMS / Arma 2 / Troubleshooting   ||  Tags: Graphics, White Dots, Bug, Trees