 He started training when he was 13 years old.Duy is one of two most players (with Trịnh Quang Vinh) in training with U-19 The Cong at Bulgaria (2006).He has been known since 2008 V-League, he was a key component of Thể Côngwhen his team had the flourish time on that season, topped the league table but they was touched in eighth-placed.