Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
nhung cong » dung cong, thong cong, hang cong
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
doan phan » doanh phan, dan phan, doanh nhan
toan phan » thanh phan, toan ban, hoa phan
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 (((doan phan) OR (toan 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 (((doan phan) OR (toan phan)))) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thiet tach - canh tranh van nhung cong ((dam phan) or (((doan phan) OR (toan phan)))) cau".
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - canh tranh van nhung cong ((dam phan) or (((doan phan) OR (toan phan)))) cau*.