Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh tung, thanh hung
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
sang phan » sang than, nang phan, san phan
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 dung luan ((dung cong) or (thong cong)) sang phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh dung luan ((dung cong) OR (thong cong)) sang phan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh dung luan ((dung cong) or (thong cong)) sang phan cau*.