Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
tan chan » dan chan, ban chan, tam chan
can chan » dan chan, cam chan, ban chan

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 cua nhung cong ((tan chan) or (can chan)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh tranh cua nhung cong ((tan chan) OR (can chan)) tu.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh tranh cua nhung cong ((tan chan) or (can chan)) tu*.