Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
than phan » thanh phan, toan phan, thanh pham
ho chiet » ho chieu, hoc thiet, hoa thiet
ho thiet » hoc thiet, hoa thiet, so thiet
tan phan » toan phan, van phan, tai 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 chiet) or (ho thiet)) tach - canh tranh cua nhung cong ((tan phan) OR (than phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (ho thiet)) tach - canh tranh cua nhung cong ((tan phan) OR (than phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chiet) or (ho thiet)) tach - canh tranh cua nhung cong ((tan phan) OR (than phan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) or (ho thiet)) tach - canh tranh cua nhung cong ((tan phan) OR (than phan)) cau*.