er ▁good ▁relations ▁with ▁the ▁prison ▁officers ▁and ▁to ▁teach ▁other ▁in m ates ▁the ▁ Ê ▁ Đ ê ▁language . ▁Moreover , ▁he ▁wrote ▁articles ▁in ▁French ▁and ▁Vietnam ese , ▁thereby ▁also ▁drawing ▁attention ▁to ▁the ▁severe ▁prison ▁conditions ▁and ▁had ▁them ▁sm ugg led ▁to ▁the ▁outside ▁whenever ▁in m ates ▁would ▁be ▁released . ▁When ▁he ▁was ▁caught , ▁his ▁prison ▁sentence ▁was ▁increased ▁by ▁additional ▁ 5   year s . ▁ ▁Upon ▁his ▁release ▁from ▁prison ▁in ▁February , ▁ 1 9 3 6 , ▁prior ▁to ▁the ▁end ▁of ▁his ▁full ▁sentence ▁due ▁to ▁a ▁dem ocr atic ▁and ▁human ▁rights ▁movement ▁in ▁Ind och ina ▁and ▁France ▁that ▁had ▁formed ▁for ▁the ▁release ▁of ▁political ▁prisoners , ▁Ph an ▁ Đ ă ng ▁L ư u ▁was ▁admitted ▁into ▁the ▁Commun ist ▁Party ' s ▁Committee ▁of ▁Middle ▁Vietnam ▁( X ứ ▁ ủ y ▁Tr ung ▁K ỳ ). ▁T ogether ▁with ▁: vi : N gu y ễ n ▁Ch í ▁Di ể u , ▁: vi : H ả i ▁Tri ề u , ▁L â m ▁M ộ ng ▁Qu ang , ▁Tr ị n h ▁X u ân ▁An , ▁H ả i ▁Th anh ▁and ▁others ▁he ▁was ▁task ed ▁with ▁taking ▁the ▁Party ' s ▁political ▁activities ▁into ▁the ▁legal ▁and ▁open ▁sphere ▁of ▁influence . ▁Therefore , ▁Ph an ▁ Đ ă ng ▁L ư u ▁edited ▁and ▁published ▁many ▁articles ▁in ▁newsp apers ▁such ▁as