Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
chuc » thuc, chu, chua

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