Perhaps you should try some spelling variations:
transformer based » transformer les, transport based, transformation based
a transformer » _ transformer, a transformed, 3 transformer
transfer beim » transfer bei, transfers bei, transfer axiom
based across » based access, shared across, varied across
net transfer » net transfers, heat transfer, money transfer
luis gene » luis rene
beim adam » bei adam
gene a » gene _, gene m, gene 1
luis a » luis f, luis c
a net » a new, _ net, a neo

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 gene a transformer based across ) OR ( luis a net transfer beim adam ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis gene a transformer based across ) or ( luis a net transfer beim adam ))*.