Perhaps you should try some spelling variations:
transfer learning » teacher learning
data transfer » cash transfer, heat transfer
transfer bei » transfer beim, transfers bei, transfer der
learning a » learning 1
bei maria » bei martin, bei martha, de maria
luis dlf » luis f, luis de
dlf data » imf data, rdf data
f des » f der, 3 des, _ des
a des » a der, a das

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis ((f des) OR (a des)) transfer bei maria ) OR ( luis dlf data transfer learning a ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis ((f des) OR (a des)) transfer bei maria ) or ( luis dlf data transfer learning a ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis ((f des) OR (a des)) transfer bei maria ) or ( luis dlf data transfer learning a ))*.