Perhaps you should try some spelling variations:
gunther wolfgang » buscher wolfgang, gitter wolfgang, glatzer wolfgang
lothar wolfgang » loscher wolfgang, loder wolfgang, glatzer wolfgang
kohler wolfgang » muller wolfgang, kilger wolfgang

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: ((((lothar wolfgang) OR (kohler wolfgang))) OR (gunther wolfgang)) nordheim.
• Adding a wildcard symbol may retrieve word variants: ((((lothar wolfgang) or (kohler wolfgang))) or (gunther wolfgang)) nordheim*.