Perhaps you should try some spelling variations:
luong quan » thong quan, duong qua
dinh luong » dinh duong, dinh huong, dinh cuong
tich nang » tich van, tin nang
hieu suat » hieu luat, hieu qua
kiem soat » kiem toan
suat van » suat va, sat van, suat nang
van hieu » cao hieu
quan va » quan vi, quan ha, luan va
va kiem » van kien

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tich nang suat van hieu suat ) or ( dinh luong quan va kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tich nang suat van hieu suat ) OR ( dinh luong quan va kiem soat ))*.