Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hanh doanh » hang doanh, chinh doanh, doanh doanh
cua thuong » cua truong, cua phuong, ca thuong
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
dang van » hoang van, hang va
ho hieu » ho chieu, hoi hieu, nho hieu
dan van » doan van, dao van, tan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh doanh cua thuong cong ((dan van) or (dang van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh doanh cua thuong cong ((dan van) OR (dang van)) ban*.