Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh binh » thai binh, than kinh, tinh binh
binh luan » trinh luan
luan hoat » luan hoan, qua hoat, luan khoa
hoat cong » hoat dong, hoa cong, thuat cong
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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) or (chieu tinh)) - thanh binh luan hoat cong ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu tinh)) - thanh binh luan hoat cong ((dan toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu tinh)) - thanh binh luan hoat cong ((dan toan) or (dan than)) cau*.