Perhaps you should try some spelling variations:
"frank richter jorg." » "frank michael jorg.", "frank richard jorg.", "frank richter georg.", "frank eichler jorg.", "frank richter horst."
"frank ritter jorg." » "frank trotter jorg.", "frank rutger jorg.", "frank dieter jorg.", "frank grutter jorg.", "frank winter jorg.", "frank ritter jonas."

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"frank richter jorg.\") OR (\"frank ritter jorg.\"))".
• Removing quotes may allow a broader search: (( frank richter jorg. ) OR ( frank ritter jorg. )).
• Adding a wildcard symbol may retrieve word variants: (("frank richter jorg.") OR ("frank ritter jorg."))*.