Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
hieu cach » hieu cac, chieu sach, hieu ca
hoc hieu » hoc thieu, hoc hien, doc hieu
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu cach - thanh truong ((cua nhung) OR (va nhung)) cong dan chan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu cach - thanh truong ((cua nhung) OR (va nhung)) cong dan chan cau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu cach - thanh truong ((cua nhung) OR (va nhung)) cong dan chan cau*.