Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
dong doanh » dung doanh, trong doanh, doanh doanh
doi chieu » doc hieu, doi chi, ho chieu
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
cong doan » cong dan, cong hoan, cong san

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh trang cua nhung ((cong doan) or (dong doanh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh trang cua nhung ((cong doan) OR (dong doanh)) van ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh trang cua nhung ((cong doan) or (dong doanh)) van ban*.