In 951, Ngô Xương Ngập returned and was crowned king under the title Thiên Sách Vương, and with his brother became a co-ruler of the country.
Pada tahun 951, Ngô Xương Ngập kembali dan dimahkotai sebagai raja dengan gelar Thiên Sách Vương, dan dengan saudaranya menjadi rekan-pemimpin negara.