Perhaps you should try some spelling variations:
thiet nhan » thien nhan, triet nhan, trien nhan
sinh doanh » kinh doanh, sinh danh, minh doanh
doanh than » doanh thanh, doanh nhan, doanh phan
than thien » tran thien, thanh thieu, hoan thien
hang khoa » dung khoa
ban hang » ngan hang
van luan » van quan, van tuan, von luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ban hang khoa luan van luan thiet nhan sinh doanh than thien~.
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan van luan thiet nhan sinh doanh than thien*.