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
cao thuong » cao truong, ca thuong, cho thuong
trung cao » truong cao, trung cap, trung co
chinh tai » chinh tri
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
chinh va » chinh ta, hanh va, tinh va

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 thuong ((cong tan) OR (cong tac)) ((chinh va) or (chinh tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh trung cao thuong ((cong tan) OR (cong tac)) ((chinh va) OR (chinh tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh trung cao thuong ((cong tan) OR (cong tac)) ((chinh va) or (chinh tai))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung cao thuong ((cong tan) OR (cong tac)) ((chinh va) or (chinh tai))*.