A cikin 1714, Sarki Ang Tham ko Thommo Reachea na Cambodia ya kori Kaev Hua, wanda Ubangijin Nguyen na Vietnamese ya goyi bayansa.Ang Tham ya sami mafaka a Ayutthaya inda Sarki Thaisa ya ba shi wurin zama.Shekaru uku bayan haka, a cikin 1717, Sarkin Siamese ya aika da sojoji da na ruwa don kwato Cambodia don Ang Tham, wanda ya kai ga Yaƙin Siamese – Vietnamese (1717).Manyan sojojin Siamese guda biyu sun mamaye Cambodia a kokarin taimakawa Prea Srey Thomea ya dawo kan karagar mulki.Sojojin Siamese guda daya sun sha mugun mugun mugun zagon kasa daga Kambodiya da abokansu na Vietnam a yakin Bantea Meas.Sojojin Siamese na biyu sun kama babban birnin Cambodia na Udong inda Vietnamese suka goyi bayan sarkin Cambodia ya sauya mubaya'a ga Siam.Vietnam ta yi hasarar ikon Cambodia amma ta hade lardunan kan iyaka da Cambodia.