Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
cua thuong » cua truong, cua phuong, ca thuong
doi chieu » doc hieu, doi chi, ho chieu
tung cua » trung cua, tuong cua, dung cua
dong dan » dong danh, duong dan, dong san
luong va » dung va
than cau » toan cau, phan cau, than cap

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