Perhaps you should try some spelling variations:
transform crisis » transfer crisis, transport crisis, transform cities
data transform » data transforms, data transfer, data transfers
crisis cases » crisis causes, crisis case, crises case
transfer im » transfers im, transfer beim, transfer _
luis rdf » luis de
rdf data » dlf data, imf data
im marz » im markt

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 f _ transfer im marz ) OR ( luis rdf data transform crisis cases ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis f _ transfer im marz ) or ( luis rdf data transform crisis cases ))*.