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
cua nhung » va nhung
manh cua » doanh cua, ban cua
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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) OR (cong san)) 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) OR (cong san)) than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chieu sang)) - nhanh manh cua nhung ((cong dan) OR (cong san)) than ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu sang)) - nhanh manh cua nhung ((cong dan) OR (cong san)) than ban*.