Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
hoang ban » hoang van, hang ban, hoang bao
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chiet tach) or (trieu tinh)) - hoang ban cua nhung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chiet tach) OR (trieu tinh)) - hoang ban cua nhung cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chiet tach) or (trieu tinh)) - hoang ban cua nhung cong dan toan ban*.