[video=youtube;r1ojyQTRqRE]http://www.youtube.com/watch?v=r1ojyQTRqRE&feature=related[/video] [video=youtube;-fU5GLkxZpw]http://www.youtube.com/watch?feature=player_embedded&v=-fU5GLkxZpw#at=28[/video] [video=youtube;vLuRyRvABcA]http://www.youtube.com/watch?v=vLuRyRvABcA&feature=player_embedded[/video] [video=youtube;-5rFznWnepk]http://www.youtube.com/watch?v=-5rFznWnepk&feature=related[/video] hay thank câu không hay thì đừng chém ^^