Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
khong cong » thong cong, khong cang, chong cong
chau tinh » cuu tinh, ha tinh, cua tinh
thanh ban » thanh san, thanh bac, thanh bai
thanh van » thanh san, thanh toan, thanh phan
cua khong » hua khong, cua phuong, cua thuong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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 ((chau tinh) or (chieu sach)) - ((thanh ban) OR (thanh van)) cua khong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chau tinh) OR (chieu sach)) - ((thanh ban) OR (thanh van)) cua khong cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chau tinh) or (chieu sach)) - ((thanh ban) OR (thanh van)) cua khong cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chau tinh) or (chieu sach)) - ((thanh ban) OR (thanh van)) cua khong cong tan toan cau*.