Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
van chat » cao chat
van cau » van dau, van hau, toan cau

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) OR (thanh tung)) cua nhung cong dan ((van cau) or (van chat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((thanh trung) OR (thanh tung)) cua nhung cong dan ((van cau) OR (van chat)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((thanh trung) OR (thanh tung)) cua nhung cong dan ((van cau) or (van chat))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((thanh trung) OR (thanh tung)) cua nhung cong dan ((van cau) or (van chat))*.