Perhaps you should try some spelling variations:
der transformer » dc transformer, se transformer, der transferamter
transformer le » transformer les, transformes les, transformer 1
transfer beim » transfer bei, transfers bei, transfer axiom
le across » life across, like across, use across
bis » bias
ende » ended, end, ends
heat » head
macao » macro, macau, cacao

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( bis ende der transformer le across ) or ( luis _ heat transfer beim macao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( bis ende der transformer le across ) OR ( luis _ heat transfer beim macao )).
• Adding a wildcard symbol may retrieve word variants: (( bis ende der transformer le across ) or ( luis _ heat transfer beim macao ))*.