 He donated money to build pagodas throughout Đại Việt.Many citizens joined monastic institutions during this reign since he was a strong patron of the Buddhist religion.Clerical officials such as Nguyễn Đạo Thanh and Phạm Hạc were sent to China (Song Dynasty court) to study and bring back the sutra named Tam Tạng (Tripiṭaka) to Đại Việt.