Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
cua dung » cua dang, cua dong, qua dung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
chan cao » chan cho, chat cao, chay cao

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 tranh cua dung ((cong dan) OR (cong san)) chan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh tranh cua dung ((cong dan) OR (cong san)) chan cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh tranh cua dung ((cong dan) OR (cong san)) chan cao*.