Complex sentence: Dangda appeared for Thailand's U- 16 and U- 17 squads in 2004, being a part of the squad which played in 2004 AFC U- 17 Championship.
Split into simpler sentences: Dangda appeared for Thailand's U- 16 and U- 17 squads in 2004. He was a part of the squad which played in 2004 AFC U- 17 Championship.