Perhaps you should try some spelling variations:
tinh luong » tinh huong, dinh luong, minh luong
luong quan » thong quan, duong qua
tinh dung » trinh dung, tin dung, tinh huong
hieu suat » hieu luat, hieu qua
kiem soat » kiem toan
quan van » luan van, quan va, quan luan
van hieu » cao hieu
van kiem » va kiem, van kien, van hien

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) or (tinh quang)) quan van hieu suat ) or ( tinh luong quan van kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((tinh dung) OR (tinh quang)) quan van hieu suat ) OR ( tinh luong quan van kiem soat )).
• Adding a wildcard symbol may retrieve word variants: (( ((tinh dung) or (tinh quang)) quan van hieu suat ) or ( tinh luong quan van kiem soat ))*.