Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dong » chua dong, cua cong, cua dang
van than » van thanh, van thang, van tuan
van quan » van ban

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 - canh tranh cua dong cong ((van than) or (van quan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh cua dong cong ((van than) OR (van quan)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh cua dong cong ((van than) or (van quan)) cao*.