Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
cam nhung » cam hung, nam nhung, tham nhung
dan thanh » dang thanh, danh thanh, ban thanh
thanh lap » thanh san, phan lap, thanh hai
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan

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 - thanh tung ((cam nhung) or (dap ung)) cong dan thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung ((cam nhung) OR (dap ung)) cong dan thanh lap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung ((cam nhung) or (dap ung)) cong dan thanh lap*.