2 years after graduating from École Supérieure des Beaux-Arts d’Indochine, Phai joined the August resistance in Hanoi and took part in artistic activities in Northern Vietnam from 1947 to 1952. In 1957, Phai became a member of the Vietnam Fine Arts Association.
2 years after graduating from École Supérieure des Beaux-Arts d’Indochine, Phai joined the August resistance in Hanoi and participated in artistic pursuits in Northern Vietnam from 1947 to 1952. In 1957, Phai became a member of the Vietnam Fine Arts Association.