Perhaps you should try some spelling variations:
thanh chau » thanh cha, thanh cham, thanh chu
nhung cong » dung cong, thong cong, hang cong
hieu quan » hieu qua, lieu quan, thien quan
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
nhanh cau » nhanh cay, nhanh ha, hang cau
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu quan - hanh tang cua nhung cong san ((nhanh cau) or (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu quan - hanh tang cua nhung cong san ((nhanh cau) OR (thanh chau)).
• Adding a wildcard symbol may retrieve word variants: ho hieu quan - hanh tang cua nhung cong san ((nhanh cau) or (thanh chau))*.