Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
phuong hieu » thuong hieu, huong hieu, phuong tieu
minh thuong » minh tuong, dinh thuong, binh thuong
thuong qua » thong qua, thuong quy, thuong quang
hieu suat » hieu luat, hieu qua
binh dan » minh danh, binh dinh, binh luan
dan dung » van dung, tin dung, ap dung
quan den » quan doan, quan he, quan doi
den than » den thanh, dien than, dan than

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( binh dan dung phuong hieu suat ) or ( minh thuong qua quan den than ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( binh dan dung phuong hieu suat ) OR ( minh thuong qua quan den than )).
• Adding a wildcard symbol may retrieve word variants: (( binh dan dung phuong hieu suat ) or ( minh thuong qua quan den than ))*.