Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
nhanh manh » nhanh mang, nhanh thanh, nhanh tinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
manh cua » doanh cua, ban cua
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

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