Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhan dang » nhan dan, phan dang, tran dang
dung cong » dung trong
dang cua » dung cua, dong cua, mang cua
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (trieu tinh)) - nhan dang cua dung cong san ((toan cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (trieu tinh)) - nhan dang cua dung cong san ((toan cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (trieu tinh)) - nhan dang cua dung cong san ((toan cau) or (phan cau))*.