Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong
cua dang » cua cong, cua ban
cong tap » cuong tap, cong tac, cong tan
doan cau » toan cau, doan dau, doanh chau
doan cap » doanh cao, dan ca, toan cao

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 - than kinh ((cua tong) or (cua dang)) cong tap ((doan cau) or (doan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - than kinh ((cua tong) OR (cua dang)) cong tap ((doan cau) OR (doan cap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - than kinh ((cua tong) or (cua dang)) cong tap ((doan cau) or (doan cap))*.