Perhaps you should try some spelling variations:
quang trong » quang truong, quang trung, quan trong
tinh dung » trinh dung, tin dung, tinh huong
hieu toan » bieu toan, thien toan, hieu van
kiem toan » ke toan, kiem tra
trong van » trong cac
hien soat » thien hoat, kiem soat, bien soan
van hien » van hieu, van tien
luan » quan, 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 luan van ((hieu toan) OR (kiem toan)) ) or ( tinh quang trong van hien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh dung luan van ((hieu toan) OR (kiem toan)) ) OR ( tinh quang trong van hien soat )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tinh dung luan van ((hieu toan) OR (kiem toan)) ) or ( tinh quang trong van hien soat ))".
• Adding a wildcard symbol may retrieve word variants: (( tinh dung luan van ((hieu toan) OR (kiem toan)) ) or ( tinh quang trong van hien soat ))*.