Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
toc chieu » toc thieu, doc hieu, hoc thieu
hanh dung » thanh dung, anh dung, hanh dong
dung cua » dung luan, dung cho
dan toan » van toan, dan than, manh toan
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: toc chieu xanh - hanh dung cua ((nhung cong) or (trong cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - hanh dung cua ((nhung cong) OR (trong cong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - hanh dung cua ((nhung cong) or (trong cong)) dan toan cao*.