Cm n mi ngi ng k v ng h knh ca mnh trong sut thi gian qua! Cng rt lu ri mnh mi lm li Youtube, ln ny, vi quan im:~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "Power is gained by sharing knowledge - Chia s to nn sc mnh"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Mnh hi vng knh s gip ch cho cng vic v hc tp ca mi ngi. Xin cm n