Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
cong luan » tong luan, cong tuan, dong luan
tung cua » trung cua, tuong cua, dung cua
van ha » van chat, van hanh, van phan
hoa » khoa

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chinh sach)) - thanh tung cua thong cong luan ((van ha) OR (van hoa))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chinh sach)) - thanh tung cua thong cong luan ((van ha) OR (van hoa))~".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chinh sach)) - thanh tung cua thong cong luan ((van ha) OR (van hoa))*.