Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh minh » thanh binh, thanh tinh, thanh vinh
hoang manh » hoang minh, hoang anh, hoang xanh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
ha tinh » va tinh, may tinh

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

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