Perhaps you should try some spelling variations:
tinh dung » trinh dung, tin dung, tinh quang
kiem soat » kiem toan
hien soan » bien soan, thien toan, dien toan
van kiem » va kiem, van kien, van hieu
dung lan » dung land, dung lam, dung san
van hien » van hieu, van tien
lan van » lang van, tan van, san van
luan » quan

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 luan van kiem soat ) or ( tinh dung lan van hien soan ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh dung luan van kiem soat ) OR ( tinh dung lan van hien soan )).
• Adding a wildcard symbol may retrieve word variants: (( tinh dung luan van kiem soat ) or ( tinh dung lan van hien soan ))*.