Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
cac duong » cau duong, cac tuong, cac dong
nguoi dao » nguoi tay
dao thanh » ban thanh, tro thanh, de thanh
thanh cac » hanh cac, thanh bac, thanh ca
cac dung » cach dung, tac dung, cac dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - canh tranh ((cac dung) or (cac duong)) nguoi dao thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh tranh ((cac dung) OR (cac duong)) nguoi dao thanh cac.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh tranh ((cac dung) or (cac duong)) nguoi dao thanh cac*.