I want to count the number of times partial text strings occur in a cell adjacent to another cell containing specific text.

A B
FB Milton v Town PHOTO
BS Fairfax v South
BS North v Town
BS Milton v South PHOTO
FB North v Milton PHOTO
FB Milton v South

I'm looking for the number of times "FB" and "Milton" occur in Column A when "PHOTO" also appears in Column B in the same row. From numerous searches I've tried figuring out VLOOKUP, DCOUNTA, etc., but have gotten hopelessly confused. Thanks for any help!