I've completed all translation for Vietnamese, please update my work on Spreedsheet
BOUNTY: https://bitcoingarden.org/forum/index.php?topic=49247.0
ANN: https://bitcoingarden.org/forum/index.php?topic=49272.0
One pager: https://drive.google.com/open?id=1ZV4hsRbOupx94qfX6Ob8axCons5RDFzy
WPP: https://drive.google.com/open?id=16ksYid9JcA_3-hYfgRVvd8t_6_g1wEub