đại bản doanh 
general headquarters [ đại ] : (1) large, big, great, very, much; (2) period, era
[ bản ] : (1) edition, version, tablet, block, copy, print, piece, document, edition, impression; (2) [CL for scripts, songs, plays, statements, treaties]; (3) root, basis, base, origin, source
[ doanh ] : full, abundant
Most Common Compounds Set 1:
Most Common Compounds Set 2 :