Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc nhung » hoa nhung, hon nhung, nuoc nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong hoc » dong hoc, cong hoa, cong coc
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cau » toan cau, phan cau, than cap
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh cong hoc nhung ((cong dan) or (cong san)) ((than cau) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh cong hoc nhung ((cong dan) OR (cong san)) ((than cau) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh cong hoc nhung ((cong dan) or (cong san)) ((than cau) or (khan cap))*.