Perhaps you should try some spelling variations:
dung nang » dun nang, dung dang, dung quang
hieu luat » hieu qua
tinh nang » trinh nang, tin nang, tich nang
nang quan » ban quan, nang suat
hien soat » thien hoat, kiem soat, bien soan
kiem toan » ke toan, kiem tra
quan van » luan van, quan va, quan luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dung nang cao hieu luat ) or ( tinh nang quan van ((hien soat) or (kiem toan)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung nang cao hieu luat ) OR ( tinh nang quan van ((hien soat) OR (kiem toan)) )).
• Adding a wildcard symbol may retrieve word variants: (( tin dung nang cao hieu luat ) or ( tinh nang quan van ((hien soat) or (kiem toan)) ))*.