How many movies have Michael Watt and Nguyễn Ngọc Ngạn collaborated on?

They have worked on 3 movies together! Their first movie together was Paris By Night 78: Ðường Xưa (2005) and was their highest rated movie together. They have not worked together since Paris By Night 85: Xuân Trong Kỷ Niệm (2006). They are most known for their music films together.