Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
nang dong » nang song, lang dong, nang luong
cua trong » cua truong, cua trung, qua trong
dong cua » dung cua, cong cua, huong cua
cong san » cong tac
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: ho ((chieu sach) or (chinh sach)) - nang dong cua trong cong san ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - nang dong cua trong cong san ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chinh sach)) - nang dong cua trong cong san ((than cau) or (phan cau))*.