Perhaps you should try some spelling variations:
data transfers » data transfer, water transfers, land transfers
transfers bei » transfer bei, transfer beim, transfers ai
bei mark » bei marx, bei marc, bei maria
luis 2.1 » ellis 2.1, eucs 2.1, luis h.b
luis a » luis f, luis c
a cash » a case
dau 4 » day 4, dat 4, kau 4

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 a cash transfers bei mark ) OR ( luis 2.1 data transfers ((dau 4) OR (dau _)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis a cash transfers bei mark ) or ( luis 2.1 data transfers ((dau 4) OR (dau _)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis a cash transfers bei mark ) or ( luis 2.1 data transfers ((dau 4) OR (dau _)) ))*.