Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhan khong » nhan thong, nhanh chong, nganh khong
khong cong » thong cong, khong cang, chong cong
ho thiet » hoc thiet, hoa thiet, so thiet
dan than » dan chan, ban than, van than

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