Perhaps you should try some spelling variations:
data transfer » cash transfer, heat transfer
den transfer » gene transfer, heat transfer, land transfer
ideas 4 » ideas _, idea 4, ideas 5
ideas a » ideas _
luis e » luis c, luis a
f data » 2 data, 1 data, dlf data
e den » es den, se den, _ den

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 e den transfer _ marx ) OR ( luis f data transfer ((ideas 4) OR (ideas a)) ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis e den transfer _ marx ) or ( luis f data transfer ((ideas 4) or (ideas a)) ))*.