Perhaps you should try some spelling variations:
minh luong » dinh luong, minh tuong, minh cuong
luong quan » thong quan, duong qua
tinh dung » trinh dung, tin dung, tinh quang
hieu hoat » hieu hoa, thien hoat, hieu luat
hieu suat » hieu luat, hieu qua
lien soat » kiem soat, bien soan, lien son
tri lien » thi lien, tri lieu, tri kien
luan » lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh dung luan van ((hieu hoat) or (hieu suat)) ) or ( minh luong quan tri lien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh dung luan van ((hieu hoat) OR (hieu suat)) ) OR ( minh luong quan tri lien soat )).
• Adding a wildcard symbol may retrieve word variants: (( tinh dung luan van ((hieu hoat) or (hieu suat)) ) or ( minh luong quan tri lien soat ))*.