Perhaps you should try some spelling variations:
des transfers » net transfers, cash transfers, arms transfers
data transfer » cash transfer, heat transfer
bei marc » bei marx, bei maria, bei carl
from cap » from cape, from capm, from casp
luis a » luis f, luis c
_ marc » _ march, _ mark, _ mary
luis 1 » luis f, luis c, luis e
1 data » 2.1 data, 3.1 data, 4.1 data
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 a des transfers ((bei marc) OR (_ marc)) ) OR ( luis 1 data transfer from cap ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis a des transfers ((bei marc) or (_ marc)) ) or ( luis 1 data transfer from cap ))*.