How many movies have Lu Yi-ching and Nikki Hsieh acted in together?

They have worked on 3 movies together! Their first movie together was My Whispering Plan (2003) while their highest rated movie together was 10 Plus 10 (2011). They have not worked together since 10 Plus 10 (2011). They are most known for their drama films together.

Role
Chou Wei-te's Mother (segment "Reverberation")
Role
Bus Driver (segment "Bus Odyssey")