Perhaps you should try some spelling variations:
tinh dung » trinh dung, tin dung, tinh quang
dung quan » dung quang, dung luan, luong quan
hieu toan » bieu toan, thien toan, kiem toan
tinh quan » tinh quang, trinh quan, tin quan
kiem soat » kiem toan
quan cao » quang cao, quan cau, quan ao
van kiem » va kiem, van kien, van hieu
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: (( tinh dung quan cao hieu toan ) or ( tinh quan luan van kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh dung quan cao hieu toan ) OR ( tinh quan luan van kiem soat )).
• Adding a wildcard symbol may retrieve word variants: (( tinh dung quan cao hieu toan ) or ( tinh quan luan van kiem soat ))*.