Perhaps you should try some spelling variations:
nhung phuong » nhu phuong, truong phuong, bang phuong
dung phuong » dung thuong, bang phuong, dung chung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
doan phan » doanh phan, toan phan, doanh nhan
tranh va » tranh van, trang va, trinh va
dan phan » dan chan, van phan, dam phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - canh tranh va ((nhung phuong) OR (dung phuong)) ((dan phan) or (doan phan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - canh tranh va ((nhung phuong) OR (dung phuong)) ((dan phan) OR (doan phan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - canh tranh va ((nhung phuong) OR (dung phuong)) ((dan phan) or (doan phan)) tap".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - canh tranh va ((nhung phuong) OR (dung phuong)) ((dan phan) or (doan phan)) tap*.