Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
cong sang » cong san, cong lang, cong vang
sang than » cang thang, dang thanh, sang tao
va thong » va phuong, he thong, va cong
than cao » toan cao, thai cao, than cap

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 ((va thong) or (va thuong)) cong sang than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh tranh ((va thong) OR (va thuong)) cong sang than cao*.