Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
doanh cua » doanh luan
cua nhung » va nhung
san toan » dan toan, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - canh doanh cua nhung cong ((san toan) or (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh doanh cua nhung cong ((san toan) OR (van toan)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh doanh cua nhung cong ((san toan) or (van toan)) cao*.