Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh thanh » canh tranh, danh thanh, anh thanh
thanh gan » thanh gian, thanh san, thanh van
bang song » nang song
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
gan bang » ngan bang, can bang, gan hang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh thanh gan bang song ((xuan toan) OR (manh toan)) cau~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh thanh gan bang song ((xuan toan) or (manh toan)) cau*.