Perhaps you should try some spelling variations:
thanh chau » thanh cha, thanh cham, thanh chu
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
nhanh cau » nhanh cay, nhanh ha, hang cau
doc hieu » toc thieu, hoc thieu
cua dong » chua dong, cua cong, cua dang
cong san » cong tac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (hoc hien)) xanh - canh tranh cua dong cong san ((nhanh cau) or (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) xanh - canh tranh cua dong cong san ((nhanh cau) OR (thanh chau)).
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc hien)) xanh - canh tranh cua dong cong san ((nhanh cau) or (thanh chau))*.