A cikin 1190, Sarkin Khmer Jayavarman VII ya nada wani basarake Cham mai suna Vidyandana, wanda ya koma Jayavarman a 1182 kuma ya sami ilimi a Angkor, don jagorantar sojojin Khmer.Vidyandana ya ci Chams, kuma ya ci gaba da mamaye Vijaya kuma ya kama Jaya Indravarman IV, wanda ya mayar da shi zuwa Angkor a matsayin fursuna.^[147] Ɗaukar taken Shri Suryavarmadeva (ko Suryavarman), Vidyandana ya mai da kansa sarkin Panduranga, wanda ya zama vassal Khmer.Ya sanya Prince In, surukin Jayavarman VII, "Sarki Suryajayavarmadeva a cikin Nagara na Vijaya".A cikin 1191, tawaye a Vijaya ya kori Suryajayavarman zuwa Cambodia kuma ya hau gadon sarautar Jaya Indravarman V. Vidyandana, wanda Jayavarman VII ya taimaka, ya sake kama Vijaya, ya kashe Jaya Indravarman IV da Jaya Indravarman V, sannan "ya yi sarauta ba tare da hamayya ba bisa Mulkin Champa," ^{[148 <>]} yana bayyana 'yancin kansa daga daular Khmer.Jayavarman VII ya amsa ta hanyar ƙaddamar da mamayewa da yawa na Champa a cikin 1192, 1195, 1198-1199, 1201-1203.Daga baya Khmer kuma ya sami giwaye biyu bakan baka, wanda Michel Jacq Hergoualc'h ya nuna cewa wasu gungun sojojin haya ne na Cham a cikin sojojin Jayavarman VII.^[149]Sojojin Khmer karkashin Jayavarman VII sun ci gaba da yakin Champa har sai da Chams suka ci nasara a karshe a shekara ta 1203. ^[150] A Cham renegade-Prince ong Dhanapatigräma, ya hambarar da dan uwansa mai mulki Vidyandana/Suryavarman zuwa Dai Viet, ya kammala cin nasarar Khmer na Champa Viet.^[151] Daga 1203 zuwa 1220, Champa a matsayin lardin Khmer wata gwamnatin yar tsana ta jagoranci ko dai ong Dhanapatigräma sannan kuma yarima Angsaräja, dan Harivarman I, wanda daga baya zai zama Jaya Paramesvaravarman II.A cikin 1207, Angsaräja ya raka sojojin Khmer tare da sojojin Burma da na Siamese na sojojin haya don yaki da sojojin Yvan (Dai Viet).^[152] Bayan kasancewar sojojin Khmer da ke raguwa da fitar da Khmer na son rai daga Champa a cikin 1220, Angsaräja ya karbi ragamar mulki cikin lumana, yana shelanta kansa Jaya Paramesvaravarman II, ya maido da 'yancin kai na Champa.^[153]