Perhaps you should try some spelling variations:
chua xang » chua nang, chuc nang, chu bang
dung cong » dung trong
chu xanh » chu manh, chieu xanh, chuc danh
anh dang » anh dong, anh dung, anh bang
dang cua » dung cua, dong cua, mang cua
tac toan » tap toan, tam toan, hach 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: chao ((chu xanh) or (chua xang)) - anh dang cua ((dung cong) or (trong cong)) tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu xanh) OR (chua xang)) - anh dang cua ((dung cong) OR (trong cong)) tac toan cao.
• Adding a wildcard symbol may retrieve word variants: chao ((chu xanh) or (chua xang)) - anh dang cua ((dung cong) or (trong cong)) tac toan cao*.