How many movies have Chang Fang-Hsia and Doris Lung Chun-Erh acted in together?

They have worked on 3 movies together! Their first movie together was Young Hero of Shaolin (1976) while their highest rated movie together was The Knife of Devil's Roaring and Soul Missing (1976). They have not worked together since Moonlight Sword and Jade Lion (1977). They are most known for their action films together.