Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » manh cua
doanh cua » doanh luan
chinh can » chinh ca, chinh ban, chinh cau
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

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 - hanh ((tranh cua) or (doanh cua)) nhung ((cong dan) or (cong tan)) chinh can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((tranh cua) OR (doanh cua)) nhung ((cong dan) OR (cong tan)) chinh can.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((tranh cua) or (doanh cua)) nhung ((cong dan) or (cong tan)) chinh can*.