Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
tieu danh » dieu danh, tiep danh, thien danh
luan nang » luan van, van nang, luan san
nang cong » nang song, dang cong, bang cong
ban toan » bai toan, ban than, van toan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu danh) or (dieu hanh)) - canh doanh luan nang cong ((ban toan) or (van tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu danh) OR (dieu hanh)) - canh doanh luan nang cong ((ban toan) OR (van tuan)) ban.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu danh) or (dieu hanh)) - canh doanh luan nang cong ((ban toan) or (van tuan)) ban*.