Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
nhung cong » dung cong, thong cong, hang cong
doanh phan » doanh nhan, doan phan, doanh thanh
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
ho thiet » hoc thiet, hoa thiet, so thiet
dam phan » d phan, va phan, van phan

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 - canh tranh van nhung cong ((dam phan) or (doanh phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - canh tranh van nhung cong ((dam phan) OR (doanh phan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - canh tranh van nhung cong ((dam phan) or (doanh phan)) cau*.