Perhaps you should try some spelling variations:
transfer crisis » transform crisis, transfer risks, transport crisis
data transfer » cash transfer, heat transfer
transfers ai » transfers i, transfers bei, transfers dau
ai maria » avi maria, vi maria, qazi maria
luis rdf » luis f, luis de
rdf data » dlf data, imf data
c cash » _ cash, 4 cash, 5 cash
a cash » a case

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 cash) OR (a cash)) transfers ai maria ) OR ( luis rdf data transfer crisis _ ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis ((c cash) OR (a cash)) transfers ai maria ) or ( luis rdf data transfer crisis _ ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis ((c cash) OR (a cash)) transfers ai maria ) or ( luis rdf data transfer crisis _ ))*.