Perhaps you should try some spelling variations:
transfer costs » transport costs, transfer amounts
transfer fees » transfer from
data transfer » cash transfer, heat transfer
gas transfer » cash transfer, mass transfer, a transfer
costs case » costs cash
luis e » luis f, luis c, luis a

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 _ gas transfer fees martha ) OR ( ((luis de) OR (luis e)) data transfer costs case ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis _ gas transfer fees martha ) or ( ((luis de) OR (luis e)) data transfer costs case ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis _ gas transfer fees martha ) or ( ((luis de) OR (luis e)) data transfer costs case ))*.