Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
van thuong » va thuong, van chuong, van phuong
hoc chieu » hoc thieu, ho chieu, hoc hien
cong lang » cong vang, cong luong, cong quang
thanh ta » thanh tra, thanh tai, thanh tay
cong tac » cong ty
tan cau » toan cau, van cau, tan ca
ta van » tan van, tap van, va van

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: hoc chieu xanh - thanh ta van thuong ((cong tac) OR (cong lang)) tan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh ta van thuong ((cong tac) or (cong lang)) tan cau*.