Perhaps you should try some spelling variations:
data transfer » cash transfer, heat transfer
transfer best » transfer west, transfer bei, transfer beim
best case » test case, test cases, best use
b marc » _ marc, m marc, bei marc
b mary » _ mary, 4 mary
luis 1 » luis f, luis c, luis a
1 data » 2.1 data, 3.1 data, 4.1 data

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 _ bus transport ((b marc) OR (b mary)) ) OR ( luis 1 data transfer best case ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis _ bus transport ((b marc) OR (b mary)) ) or ( luis 1 data transfer best case ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis _ bus transport ((b marc) OR (b mary)) ) or ( luis 1 data transfer best case ))*.