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

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) OR (chieu sach)))) - canh tranh cua nhung cong dan than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chieu sang) OR (chieu sach)))) - canh tranh cua nhung cong dan than man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (((chieu sang) OR (chieu sach)))) - canh tranh cua nhung cong dan than man".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chieu sang) OR (chieu sach)))) - canh tranh cua nhung cong dan than man*.