Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh doanh » hang doanh, chinh doanh, doanh doanh
cong thanh » dong thanh, cong trinh, truong thanh
doanh van » doan van, doanh va, doanh ban
van phong » van dong, hai phong
ho thiet » hoc thiet, hoa thiet, so thiet
cong tan » cong tac, cong san, cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho thiet tach - hanh doanh van phong ((cong tan) or (cong thanh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - hanh doanh van phong ((cong tan) OR (cong thanh)) van ban.
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - hanh doanh van phong ((cong tan) or (cong thanh)) van ban*.