Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tuong cua » truong cua, huong cua, thong cua
cua thong » cua thuong, cua khong, cua tong
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - thanh tuong cua thong ((cong tan) OR (cong san)) than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh tuong cua thong ((cong tan) OR (cong san)) than cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh tuong cua thong ((cong tan) OR (cong san)) than cao*.