Perhaps you should try some spelling variations:
transformer infrared » transform infrared, transformer based
des transformer » dc transformer, se transformer, _ transformer
net transfer » net transfers, heat transfer, money transfer
transfer bei » transfer beim, transfers bei, transfer der
ende des » ende der
luis a » luis f, luis c
a net » a new, _ net, a neo
bis » bias
marx » mark, marc, max

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: (( bis ende des transformer infrared across ) OR ( luis a net transfer bei (marx OR mary) ))~.
• Adding a wildcard symbol may retrieve word variants: (( bis ende des transformer infrared across ) or ( luis a net transfer bei (marx or mary) ))*.