How many movies have Doris Lung Chun-Erh and Lee Siu-Cheung collaborated on?

They have worked on 2 movies together! Their first movie together was The Saviour Monk (1975) while their highest rated movie together was The Knife of Devil's Roaring and Soul Missing (1976). They have not worked together since The Knife of Devil's Roaring and Soul Missing (1976).