Perhaps you should try some spelling variations:
quang doanh » quang doan, quan doan, quang thanh
quan quang » qua quang, quan quan, quat quang
doanh hieu » doanh sieu, doan dieu, dong hieu
dinh sung » dinh hung, dinh dung, dinh sang
sung dung » ung dung, dung dung, cung dung
kiem soat » kiem toan
hieu suat » hieu luat, hieu qua
dung van » duong van, dung va, dang van
van kiem » va kiem, van kien, van hieu
van quan » van ban

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

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