Perhaps you should try some spelling variations:
chua xang » chua nang, chuc nang, chu bang
tong cong » cong cong, dung cong, dang cong
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 ((tong 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 ((tong cong) OR (trong cong)) tac toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chu xanh) OR (chua xang)) - anh dang cua ((tong cong) or (trong cong)) tac toan cao".
• Adding a wildcard symbol may retrieve word variants: chao ((chu xanh) OR (chua xang)) - anh dang cua ((tong cong) or (trong cong)) tac toan cao*.