Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » cong trinh, cong tan, truong thanh
dong thanh » truong thanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
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 sach)) - canh tranh cua nhung ((cong thanh) OR (dong thanh)) than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - canh tranh cua nhung ((cong thanh) OR (dong thanh)) than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sach)) - canh tranh cua nhung ((cong thanh) OR (dong thanh)) than ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - canh tranh cua nhung ((cong thanh) OR (dong thanh)) than ban*.