Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh tung » thanh tung, manh tung, hanh dung
cong cong » cong dong, trong cong, dung cong
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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 - ((hanh tung) or (anh tang)) cua cong cong tan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((hanh tung) OR (anh tang)) cua cong cong tan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((hanh tung) or (anh tang)) cua cong cong tan ((toan tap) or (toan ban))*.