Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cua nhung » va nhung
duong van » duong va, luong va, dang van
tuan cau » toan cau, quan cau, thuan cam
tuan cu » tuan tu, quan cua, tuan thu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (theo tieu)) xanh - hanh doanh cua nhung duong van ((tuan cau) OR (tuan cu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hien) or (theo tieu)) xanh - hanh doanh cua nhung duong van ((tuan cau) OR (tuan cu))~".
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (theo tieu)) xanh - hanh doanh cua nhung duong van ((tuan cau) OR (tuan cu))*.