Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
mot chieu » doi chieu, ho chieu
doanh cua » doanh luan
van phan » van phong, van thanh, luan phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (theo tieu)) xanh - doanh doanh cua ((nhung cong) OR (thong cong)) van phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo tieu)) xanh - doanh doanh cua ((nhung cong) OR (thong cong)) van phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (theo tieu)) xanh - doanh doanh cua ((nhung cong) OR (thong cong)) van phan cau".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo tieu)) xanh - doanh doanh cua ((nhung cong) OR (thong cong)) van phan cau*.