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.^[43] Samun 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" (ko Suryajayavarman).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," ^[44] 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.Sojojin Khmer karkashin Jayavarman VII sun ci gaba da yakin Champa har sai da Chams suka ci nasara a karshe a cikin 1203. ^[45] A Cham renegade-Prince ong Dhanapatigräma, ya hambarar da dan uwansa mai mulki Vidyandana zuwa Dai Viet, ya kammala yakin Khmer na Champa.^[46] Daga 1203 zuwa 1220, Champa a matsayin lardin Khmer ya kasance ƙarƙashin mulkin 'yar tsana wanda ko dai Ong Dhanapatigräma ya jagoranta sannan kuma yarima Angsaräja, ɗan Harivarman I. A cikin 1207, Angsaräja ya raka sojojin Khmer tare da sojojin Burma da Siamese don yaƙi. a kan sojojin Yvan (Dai Viet).^[47] 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 shelar kansa Jaya Paramesvaravarman II, ya maido da 'yancin kai na Champa.^[48]