Perhaps you should try some spelling variations:
der transformer » dc transformer, se transformer, der transferamter
transformer les » transformer 1, transformer _, transformer based
transfer bei » transfer beim, transfers bei, transfer der
les across » lines across, lives across, smes across
bias ende » bis ende, bias index, das ende
bei macro » bei marx, new macro, bei marc
luis e » luis f, luis a
luis c » luis f

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: (( bias ende der transformer les across ) OR ( ((luis e) OR (luis c)) heat transfer bei macro ))~.
• Adding a wildcard symbol may retrieve word variants: (( bias ende der transformer les across ) or ( ((luis e) or (luis c)) heat transfer bei macro ))*.