Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong cao » truong dai
cao nhung » cho nhung, cam nhung, cao chung
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap
doi chi » doi khi

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) or (doi chi)) sach - thanh truong cao nhung ((cong dan) or (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) sach - thanh truong cao nhung ((cong dan) OR (cong tan)) than cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) sach - thanh truong cao nhung ((cong dan) or (cong tan)) than cau*.