sao bản 
to copy, duplicate [ sao ] : how?, what manner?, why? (is that); to matter
[ 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
Most Common Compounds Set 1:
Most Common Compounds Set 2 :