Perhaps you should try some spelling variations:
nang phung » bang phuong, nang thuong, nano phuong
hieu luat » hieu qua
dung quan » dung quang, dung luan, luong quan
quan khai » quang khai, quan hai, qua khai
khai kiem » khai niem, khanh kiem, khuan kiem
kiem soat » kiem toan
tin nang » tin dung, ki nang, thi nang
van hieu » cao hieu

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

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