Perhaps you should try some spelling variations:
transfers firms » transfers from, transfers field, transfers im
data transfers » data transfer, water transfers, cash transfers
firms across » farms across, firms access, fire across
transfer bei » transfer beim, transfers bei, transfer der
luis rate » loss rate, luis rene
bei cao » bei carl
luis a » luis f, luis c
a heat » a heart, _ heat, a head

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 rate data transfers firms across ) OR ( luis a heat transfer bei cao ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis rate data transfers firms across ) or ( luis a heat transfer bei cao ))*.