Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong cong » tong cong, thong thong, phong chong
doanh cua » doanh luan
ho thiet » hoc thiet, hoa thiet, so thiet
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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 cua ((thong cong) or (trong cong)) dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - hanh doanh cua ((thong cong) OR (trong cong)) dan than ban.
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - hanh doanh cua ((thong cong) or (trong cong)) dan than ban*.