Perhaps you should try some spelling variations:
dinh nang » dinh lang, dinh rang, dinh dang
nang quan » ban quan, nang suat
kiem soat » kiem toan
tinh dung » trinh dung, tin dung, tinh quang
quan ban » quang ban, qua ban, quan van
ban kiem » bang kiem, van kiem, ban kem
van bien » van tien, vat bien, van kien
van hien » van hieu, van tien
luan » lan

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

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