Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
than cau » phan cau, than cap, thanh chau
toan cau » 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) or (chinh sach)) - thanh tung cua nhung cong san ((than cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chinh sach)) - thanh tung cua nhung cong san ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chinh sach)) - thanh tung cua nhung cong san ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chinh sach)) - thanh tung cua nhung cong san ((than cau) OR (toan cau))*.