Perhaps you should try some spelling variations:
"johannes peter muller" » "johannes dieter muller", "johann peter muller", "johannes beutler muller", "johannes peter miller", "johannes peter koller", "johannes heiner muller"
"johannes carl miller" » "johannes karl miller", "johann carl miller", "johannes c miller", "johannes carol miller", "johannes paul miller", "johannes karl muller"
"johannes der muller" » "johannes de muller", "johannes d muller", "johannes c muller", "johannes der miller", "johannes der moller", "johannes herr muller"

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: (((("johannes der muller") OR ("johannes carl miller"))) OR ("johannes peter muller")).
• Removing quotes may allow a broader search: (((( johannes der muller ) or ( johannes carl miller ))) or ( johannes peter muller )).
• Adding a wildcard symbol may retrieve word variants: (((("johannes der muller") or ("johannes carl miller"))) or ("johannes peter muller"))*.