In 1912, he joined Châu's Vietnam Restoration League (Việt Nam Quang Phục Hội) and became one of its representatives in Kwangsi and one of its most capable military leaders.
In 1912, he joined Châu's Vietnam Restoration League (Việt Nam Quang Phục Hội), serving as a representative in Kwangsi and contributing significantly to the league's military efforts as one of its most capable commanders.