Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cong cong » cong dong, trong cong, dung cong
dinh cuu » dinh chi
cuu cong » cua cong, thu cong, cac cong
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan ban

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: doi ((chieu sach) OR (chinh sach)) - hanh dinh cuu cong cong dan ((toan cao) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chinh sach)) - hanh dinh cuu cong cong dan ((toan cao) or (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chinh sach)) - hanh dinh cuu cong cong dan ((toan cao) or (toan tap))*.