Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
cua dang » cua cong, cua ban
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: hoc ((chieu xanh) OR (chieu sang)) - canh manh cua dang ((cong dong) OR (cong san)) than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu sang)) - canh manh cua dang ((cong dong) OR (cong san)) than ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu sang)) - canh manh cua dang ((cong dong) OR (cong san)) than ban*.