Perhaps you should try some spelling variations:
transfer risks » transfer risk
des transfers » net transfers, cash transfers, arms transfers
data transfer » cash transfer, heat transfer
transfers 3 » transfers _, transfer 3, transfer _
3 maria » de maria, 3 marine, 3 maryam
luis c » luis f
luis 1 » luis f, luis a, luis e
1 data » 2.1 data, 3.1 data, 4.1 data
c des » c does, c der, c 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 c des transfers 3 maria ) OR ( luis 1 data transfer risks _ ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis c des transfers 3 maria ) or ( luis 1 data transfer risks _ ))*.