Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trong » hanh trang, anh trong, hinh trong
cac phuong » cac truong
cong thanh » dong thanh, cong trinh, truong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong ty
toan cao » toan ban, toan tap

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 trong cac phuong ((cong dan) or (((cong tan) OR (cong thanh)))) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trong cac phuong ((cong dan) OR (((cong tan) OR (cong thanh)))) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trong cac phuong ((cong dan) or (((cong tan) OR (cong thanh)))) toan cao*".