The tag filters will attempt to autocomplete for you if you begin typing. You can enter multiple tags into a filter by separating them with commas. For example, if you wanted to find posts tagged with both "doctor who" and "star wars" you would enter:
doctor who, star wars into the fandom filter.
sequel to Man's Best Friend (is Not Always a Dog)
the key relationships are: Peter Hale & Stiles Stilinski, Allison Argent & Stiles Stilinski, Chris Argent & Stiles Stilinski