Ang Em fled to Saigon in 1705, and sought help from Vietnamese Nguyễn lord.
Vietnamese army invaded Cambodia, Thommo Reachea III fled to Ayutthaya Kingdom.
A Vietnamese army under Trần Thượng Xuyên and Nguyễn Cửu Phú (阮久富) was sent to Cambodia to help Ang Em.
Thommo Reachea III and Chey Chettha IV were defeated and fled to Ayutthaya Kingdom.
[2][1] In 1736, Thommo Reachea III came back to Cambodia, and drove out the king Satha II.