Perhaps you should try some spelling variations:
quan doanh » quan doan, nhuan doanh, quan hoang
dung thong » dung thuong, dung trong, dong thong
doanh hoan » doanh doanh, doanh khoa, doanh nhan
tien soan » bien soan, tien hoang, thien toan
tinh dung » tin dung, tinh quang, tinh huong
van tien » toan tien, van hieu, van tuan
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: (( trinh dung luan van tien soan ) or ( tinh dung thong quan doanh hoan ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( trinh dung luan van tien soan ) OR ( tinh dung thong quan doanh hoan ))*.