Perhaps you should try some spelling variations:
der transformer » dc transformer, se transformer, der transferamter
transformer use » transformer le, transformer based, transformer using
transfers et » transferts et, transfert et, transfers bei
bias ende » bis ende, bias index, das ende
et macao » _ macao
f net » _ net, 1 net, 2 net
a net » a new, _ net, a neo

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 der transformer use across ) or ( luis ((f net) OR (a net)) transfers et macao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( bias ende der transformer use across ) OR ( luis ((f net) OR (a net)) transfers et macao )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( bias ende der transformer use across ) or ( luis ((f net) OR (a net)) transfers et macao ))".
• Adding a wildcard symbol may retrieve word variants: (( bias ende der transformer use across ) or ( luis ((f net) OR (a net)) transfers et macao ))*.