How many movies have Bùi Tuấn Dũng and Hoàng Hải collaborated on?

They have worked on 3 movies together! Their first movie together was Hanoi, Hanoi (2007) while their highest rated movie together was Thầu Chín Ở Xiêm (2015). They have not worked together since Thầu Chín Ở Xiêm (2015). They are most known for their drama films together.