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 dong » nhung don, nhung cong, nhung dung
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
dong vat » dong va, dong von, dong ha
phan cau » phan dau, phan cac, phan lap

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