Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
thanh chau » thanh cha, thanh cham, thanh chu
hieu tach » hieu cach, chiet tach, chieu sach
cao nhung » cam nhung, cao chung, co nhung
cho nhung » cho chuong, cua nhung, thi nhung
doc hieu » toc thieu, hoc thieu, hoc hien
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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 tach - thanh truong ((cao nhung) or (cho nhung)) cong san ((thanh chau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu tach - thanh truong ((cao nhung) OR (cho nhung)) cong san ((thanh chau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: doc hieu tach - thanh truong ((cao nhung) or (cho nhung)) cong san ((thanh chau) or (toan cau))*.