tay lo mo moi choi ca la han/ mua em nay choi ko biet la gi mong quy huynh dai comment de minh hoc hoi them .thanks http://www.youtube.com/watch?feature=player_detailpage&v=0leKGhH2sKM#t=2
[video=youtube;0leKGhH2sKM]http://www.youtube.com/watch?feature=player_detailpage&v=0leKGhH2sKM#t=2[/video]