Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
cua khong » hua khong, cua phuong, cua thuong
trong san » trong cac, trong ca
tung cua » trung cua, tuong cua, dung cua
dong san » dong bang, dong von, dong ha
cong san » cong tac
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: doi chieu sach - thanh tung cua khong ((((trong san) or (dong san))) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh tung cua khong ((((trong san) OR (dong san))) OR (cong san)) phan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tung cua khong ((((trong san) or (dong san))) or (cong san)) phan cau*.