Perhaps you should try some spelling variations:
dinh cuong » dinh duong, dinh huong
cuong quan » luong quan, vuong quan, luong quang
quan duong » tuan duong, quan dong, qua duong
duong kiem » duong kieu, luong kiem, duong vien
tinh dung » trinh dung, tin dung, tinh quang
hieu soat » hieu suat, hieu hoat, hieu so
hieu luat » hieu qua
kiem soat » kiem toan
dung lam » dung luan, dung tai, dung dat
lam van » lam san, nam van, dam van

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