Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
trinh hanh » trinh thanh, trinh han, trinh anh
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - canh trinh hanh dung cong dan ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - canh trinh hanh dung cong dan ((phan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - canh trinh hanh dung cong dan ((phan cau) or (phan tu))*.