Perhaps you should try some spelling variations:
transfer agents » transfer payments, transfer amounts, transfer payment
data transfer » cash transfer, heat transfer
transfer bei » transfer beim, transfers bei, transfer der
agents case » ages case, events case, agencies case
bei hertha » bei martha
luis age » luis angel, luis a, luis e
age data » wage data, cge data, image data
c data » lcc data
1 data » 2.1 data, 3.1 data, 4.1 data

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 ((c data) OR (1 data)) transfer bei hertha ) OR ( luis age data transfer agents case ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis ((c data) OR (1 data)) transfer bei hertha ) or ( luis age data transfer agents case ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis ((c data) OR (1 data)) transfer bei hertha ) or ( luis age data transfer agents case ))*.