Perhaps you should try some spelling variations:
dieu xanh » dieu hanh, dieu danh, chieu xanh
hanh dung » thanh dung, anh dung, hanh dong
luan nang » luan van, van nang, luan san
cua dieu » va dieu
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
toan cau » 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: cua dieu xanh - hanh dung luan nang ((cong van) or (song van)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cua dieu xanh - hanh dung luan nang ((cong van) OR (song van)) toan cau.
• Adding a wildcard symbol may retrieve word variants: cua dieu xanh - hanh dung luan nang ((cong van) or (song van)) toan cau*.