Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, nhung don
thanh than » thanh thanh, thanh thang, thanh toan
canh tran » hanh trang, banh trang, lanh tranh
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
than ban » thanh ban, toan ban, than man

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 tran) OR (canh tranh)) van ((nhung cong) or (hang cong)) thanh than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((canh tran) OR (canh tranh)) van ((nhung cong) OR (hang cong)) thanh than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((canh tran) OR (canh tranh)) van ((nhung cong) or (hang cong)) thanh than ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((canh tran) OR (canh tranh)) van ((nhung cong) or (hang cong)) thanh than ban*.