Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu quan » hieu quan, thieu quang, hieu qua
thanh chau » thanh cha, thanh cham, thanh chu
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
thanh cau » thanh mau, nhanh cau, thanh ca
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, tang luan
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: ho chieu quan - hanh tang cua nhung cong san ((thanh cau) or (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu quan - hanh tang cua nhung cong san ((thanh cau) OR (thanh chau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu quan - hanh tang cua nhung cong san ((thanh cau) or (thanh chau))*.