How many movies have Diệu Nhi and Khương Ngọc acted in together?

They have worked on 2 movies together! Their first movie together was Thập Tam Muội (2018) while their highest rated movie together was Chị Mười Ba – Phần kết Thập Tam Muội (2019). They have not worked together since Chị Mười Ba – Phần kết Thập Tam Muội (2019).