Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
cong trung » chong trung, cong truong, cong trong
tuan tong » toan tong, thuan trong, toan thong
tong cong » trong cong, cong cong, dung cong
thanh cau » thanh chau, thanh mau, thanh ca
nhanh cau » nhanh cay, thanh chau, nhanh ha
san tuan » van tuan, san luan, san quan

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: hoc ((chieu sach) OR (chieu xanh)) - thanh san tuan tong cong trung ((thanh cau) OR (nhanh cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sach) or (chieu xanh)) - thanh san tuan tong cong trung ((thanh cau) OR (nhanh cau))~".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (chieu xanh)) - thanh san tuan tong cong trung ((thanh cau) OR (nhanh cau))*.