Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trung » thanh trung, hanh trang, manh trung
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan 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 ((chiet tach) or (chinh sach)) - hanh trung cua nhung cong tan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chiet tach) OR (chinh sach)) - hanh trung cua nhung cong tan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo ((chiet tach) or (chinh sach)) - hanh trung cua nhung cong tan ((toan cau) or (toan tap))*.