Qwan Ki do literally means “the way of the fist and the energy.” This Vietnamese martial art is similar to Karate. It was founded by Pham Xuan Tong, who taught empty-hand methods plus the Vietnamese sword. the Taoist philosophy underpinning is considered important. Meditation, forms and breathing are all emphasized. France has the most students who follow the system.
Source: Martial Arts Encyclopedia by Jennifer Lawler