that la` buon` cho VIETNAM ve khoa hoc minh da~ thua CHINA qua' xa,dat' nuoc' gan` CHINA ma~ chang tien' bo chut' nao`,ngay nay vietnam da~ thua qua' xa cac' nuoc' lang' gieng`,chi~ con` tham lam tan` ac', va` vo~ mieng vo dit thien ha thoi,chui bui noi xau tham lam tan` ac' chia re~ hoc choi boi`.hoc cai' xau' xa cua~ tui nuoc ngoai` thoi, . CHAN'