Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
phan thuong » hang thuong, phan xuong
hanh thanh » nhanh thanh, thanh thanh, khanh thanh
thanh phan » thanh pho, thanh san, thanh toan
doi chieu » doc hieu, doi chi, mot chieu
cong san » cong tac
san van » tan van, luan van, tran van
van dau » van dao, phan dau

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 (doi chieu)) tinh - hanh thanh phan thuong cong san van dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (doi chieu)) tinh - hanh thanh phan thuong cong san van dau*.