Perhaps you should try some spelling variations:
transformer based » transformer les, transport based, transformation based
et transformer » et transformes, _ transformer, 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
bias ende » bis ende, bias index, das ende
beim mark » lim mark
ende et » ende der, ende des, etude et
luis pe » luis de
luis e » luis f, luis c, luis a

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( bias ende et transformer based across ) or ( ((luis pe) OR (luis e)) net transfer beim mark ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( bias ende et transformer based across ) OR ( ((luis pe) OR (luis e)) net transfer beim mark ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( bias ende et transformer based across ) or ( ((luis pe) OR (luis e)) net transfer beim mark ))*".