Kua pā ki ngā hāhi me ngā whakatoinga iwi tangata whenua, i ngā rāhuitanga i runga i to rātau whakapono i raro i te kāwanatanga o Vietnam, e murua ana e te āhua o Vietnam te pānga o Cham me te whakakore i a Cham kia kaua e mātakina ki o rātau whakapono.