Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
cho chieu » ho chieu, theo chieu, chon chien
trung cua » truong cua, trung tuan, trung cap
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chieu sach - hanh ((trung cua) or (tang cua)) thong cong dan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chieu sach - hanh ((trung cua) OR (tang cua)) thong cong dan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: cho chieu sach - hanh ((trung cua) or (tang cua)) thong cong dan ((toan cau) or (toan tap))*.