Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
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 tan » cong tac, cong san, cong thanh
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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 (chieu sang)) - thanh tung cua nhung cong tan ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - thanh tung cua nhung cong tan ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu sang)) - thanh tung cua nhung cong tan ((than cau) or (phan cau))*.