How many movies have Phan Hiền Khánh and Trần Bạch Đằng collaborated on?

They have worked on 5 movies together! Their first movie together was Cards on the Table: The Foster Son of the Archbishop (1982) and was their highest rated movie together. They have not worked together since Cards on the Table: Wreath on the Grave (1987). They are most known for their thriller films together.