Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trung cao » truong cao, trung cap, trung co
cong dang » cong dan, cong dung, cong danh
thanh cau » thanh chau, thanh mau, nhanh cau
cao tong » cao tang, cao cong, cao dong

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 trung cao tong ((cong dang) OR (cong dong)) thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh trung cao tong ((cong dang) OR (cong dong)) thanh cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung cao tong ((cong dang) OR (cong dong)) thanh cau*.