Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
hanh dang » hanh dong, anh dang, hanh dung
dong dang » duong dang, dong bang, dung dang
dung dong » dung cong, vung dong, dung trong
dang van » hoang van, hang va
van tay » van tai, van tan, van tam
tay cao » tao cao, tay co, toan cao

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