Kammala jumla mai zuwa: Sojojin daular da suka kai mutum 13,000 sun mamaye Kambodiya a cikin 1809 da 1813 don kare rukunin sarki Ang Chan II na Kambodiya, ya kafa Mataimakin Sarkin Kambodiya, tare da Trương Tấn Bửu yana riƙe da taken Mataimakin Sarki. A cikin 1827 an tattara su don shiga tsakani a Masarautar Vientiane a Laos. A cikin 1833 lokacin da sojojin Chakri Siamese suka mamaye Kambodiya, yawancin sojojin Nguyen da ke zaune a Kambodiya sun janye don murkushe sojojin.
Lê Văn Khôi tawaye da Nông Văn Vân tawaye. A cikin 1834 sarki Minh Mang ya ƙaddamar da haɗakar Kambodiya bayan sojojin Siamese sun tilasta komawa baya. Minh Mang ya mutu a farkon shekara ta 1841. Siam ta kaddamar da mamayewa na biyu na Kambodiya. Kodayake sojojin Nguyen sun sami nasarar sake dawo da Phnom Penh a 1845, sarkin Vietnam Thieu Tri ya nemi yin sulhu da Siam. An sanya hannu kan yarjejeniyar zaman lafiya tsakanin Siam da Vietnam a watan Maris na 1847, wanda ya haifar da 'yancin kai na Kambodiya a 1848. Tsakanin 1802 zuwa 1862, rundunar Nguyen ta kuma fuskanci tawaye na cikin gida 405 da tawaye daga ƙananan zuwa manyan sikelin, galibi sun kasance Lê Loyalists, 'yan tsiraru,' yan tsiraru, da kuma masu mulki. Sojojin daular a hankali sun yi asara ga Faransa da Spain yayin Yaƙin Cochinchina (1858 <unk> 1862). Bayan Yarjejeniyar Saigon (1874), an kawar da rukunin sojoji na Vietnam a Tonkin kuma an maye gurbin su da 'yan sanda.