How many movies have Thinh Trinh and Thế Anh acted in together?

They have worked on 3 movies together! Their first movie together was Không Nơi Ẩn Nấp (1971) while their highest rated movie together was Road Back To The Motherland (1971). They have not worked together since Tự Thú Trước Bình Minh (1979). They are most known for their war films together.