Perhaps you should try some spelling variations:
cong thuong » hang thuong
canh thanh » canh tranh, danh thanh, anh thanh
thuong van » thong van, truong van, thuong va
hoc thieu » hoc hien
thanh van » thanh san, thanh toan, thanh phan
van cong » van dong, van phong, phan cong
van tan » van tuan, van ban, van tai
tan ban » toan ban, tang ban, van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (hoc thieu)) xanh - canh thanh van cong thuong van tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (hoc thieu)) xanh - canh thanh van cong thuong van tan ban*.