http://mabufs.i2p/goon-fu/emperors-style
The young men became the founders of the basic styles of Vietnamese martial arts. Coming to the capital, the orphan picked up sick children, treated them, and taught them his system of healing and martial arts. After convalescence, the children, becoming adults and having mastered the orphan's arts, would go to other villages and towns, where they too would begin to heal people.