Perhaps you should try some spelling variations:
cua phuong » cuu phuong, cuc phuong, luan phuong
thanh tung » thanh cong
hieu sach » chieu sach, hieu cach, dien sach
dien anh » tieng anh, dien dan
tung cua » trung cua, tuong cua, dung cua
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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: doc ((hieu sach) or (dien anh)) - thanh tung cua phuong ((cong dan) or (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu sach) OR (dien anh)) - thanh tung cua phuong ((cong dan) OR (cong san)) than cau.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu sach) or (dien anh)) - thanh tung cua phuong ((cong dan) or (cong san)) than cau*.