Perhaps you should try some spelling variations:
transformer based » transformer les, transport based, transformation based
der transformer » dc transformer, se transformer, der transferamter
transfer beim » transfer bei, transfers bei, transfer axiom
based across » based access, shared across, varied across
net transfer » net transfers, heat transfer, money transfer
bis » bias
ende » ended, end, ends
macao » macro, 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 based across ) or ( luis _ net transfer beim (macao or macau) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( bis ende der transformer based across ) OR ( luis _ net transfer beim (macao OR macau) )).
• Adding a wildcard symbol may retrieve word variants: (( bis ende der transformer based across ) or ( luis _ net transfer beim (macao or macau) ))*.