How many movies have Lê Hoàng Hoa and Phan Hiền Khánh 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.