Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
doi chieu » doc hieu, doi chi, ho chieu
tong cong » cong cong, dung cong, dang cong
trinh va » trinh van, trinh vat, trinh ve
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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 trinh va ((trong cong) or (tong cong)) ((dan toan) or (van toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh trinh va ((trong cong) OR (tong cong)) ((dan toan) OR (van toan)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh trinh va ((trong cong) or (tong cong)) ((dan toan) or (van toan)) cau*.