Perhaps you should try some spelling variations:
dinh luong » dinh duong, dinh huong, dinh cuong
luong luan » luong quan, luong xuan, cuong luan
tinh duong » trinh duong, dinh duong, binh duong
duong quan » duong quang, duong qua, luong quan
hieu suat » hieu luat, hieu qua
hieu hoat » hieu hoa, thien hoat, hieu luat
kiem soat » kiem toan
quan van » quan va, quan luan, quan doan
van kiem » va kiem, van kien, van hieu

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

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