How many movies have Charles Tung Shao-Yung and Johnson Tsao Chuang-Sheng collaborated on?

They have worked on 15 movies together! Their first movie together was Love Without End (1961) while their highest rated movie together was The Twelve Gold Medallions (1970). They have not worked together since The Twelve Gold Medallions (1970). They are most known for their drama films together.