Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoang manh » hoang minh, hoang anh, hoang thanh
hoang xanh » hoang anh, hoang van, hoang minh
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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

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