Perhaps you should try some spelling variations:
cong ngang » cong nhan, cong quang, cong lang
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van
toan cao » toan ban, toan tap

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 dung) or (cua dang)) ((cong van) or (cong ngang)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh tranh ((cua dung) OR (cua dang)) ((cong van) OR (cong ngang)) toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh tranh ((cua dung) or (cua dang)) ((cong van) or (cong ngang)) toan cao*.