Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
manh tung » manh hung, thanh tung
tung cua » trung cua, tuong cua, dung cua
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, huong dan
toan cao » toan ban, toan tap

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 - manh tung cua dang ((cong dan) or (cong ty)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - manh tung cua dang ((cong dan) OR (cong ty)) toan cao.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - manh tung cua dang ((cong dan) or (cong ty)) toan cao*.