Perhaps you should try some spelling variations:
data transform » data transforms, data transfer, data transfers
transfer axiom » transfer from, transfer asia
transform city » transform cote, transform society, transform cities
luis rdf » luis f, luis de
luis a » luis f, luis c
luis e » 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 axiom mark ) OR ( ((luis rdf) OR (luis e)) data transform city east ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis a _ transfer axiom mark ) or ( ((luis rdf) or (luis e)) data transform city east ))*.