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
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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 trung) OR (thanh tung)) cua nhung cong san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chinh sach)) - ((thanh trung) OR (thanh tung)) cua nhung cong san than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chinh sach)) - ((thanh trung) OR (thanh tung)) cua nhung cong san than cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chinh sach)) - ((thanh trung) OR (thanh tung)) cua nhung cong san than cau*.