Perhaps you should try some spelling variations:
phuong doan » phuong loan, phuong hoang, huong dan
dung phuong » dung thuong, bang phuong, dung chung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh cua » manh cua
doanh cua » doanh luan
doan phan » doanh phan, toan phan, dan 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 cua) or (doanh cua)) dung phuong doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - canh ((tranh cua) OR (doanh cua)) dung phuong doan phan tu.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - canh ((tranh cua) or (doanh cua)) dung phuong doan phan tu*.