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

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