aty ▁in ▁ 1 9 7 3 . ▁He ▁received ▁his ▁b ach elor ▁of ▁law ▁degree ▁in ▁ 1 9 9 0 ▁from ▁the ▁National ▁Academy ▁of ▁Public ▁Administration . ▁ ▁Political ▁career ▁From ▁ 1 9 8 3 – 8 6 , ▁Tr ư ơ ng ▁T ấ n ▁Sang ▁head ed ▁Ho ▁Chi ▁Min h ▁City ▁( HC MC )' s ▁Forest ry ▁Department , ▁as ▁well ▁as ▁the ▁city ' s ▁New ▁Econom ic ▁Zone ▁Development ▁Department . ▁In ▁ 1 9 8 6 , ▁he ▁was ▁promoted ▁to ▁the ▁Stand ing ▁Board ▁of ▁the ▁city ' s ▁Party ▁Committee . ▁He ▁became ▁a ▁member ▁of ▁the ▁national ▁party ' s ▁Central ▁Committee ▁in ▁ 1 9 9 1 . ▁In ▁ 1 9 9 2 , ▁he ▁became ▁chairman ▁for ▁H C MC , ▁the ▁number ▁two ▁position ▁in ▁the ▁city ▁government . ▁He ▁joined ▁the ▁Polit b uro ▁in ▁ 1 9 9 6 ▁as ▁its ▁ 1 4 th ▁ranking ▁member . ▁He ▁was ▁party ▁secretary ▁for ▁H C MC , ▁the ▁top ▁position ▁in ▁the ▁city ▁government , ▁from ▁ 1 9 9 6 ▁to ▁ 2 0 0 0 . ▁He ▁was ▁promoted ▁to ▁ 1 0 th ▁position ▁in ▁the ▁national ▁party ▁at ▁a ▁con gress ▁in ▁April ▁ 2 0 0 1 . ▁He ▁was ▁also ▁appointed ▁head ▁of ▁the ▁party ' s ▁economic ▁commission ▁at ▁this ▁time . ▁ ▁In ▁ 2 0 0 3 , ▁he ▁was ▁repr im and