Perhaps you should try some spelling variations:
"robert richardson" » "robert wichard", "robert riceardson", "robert priceardson", "robert richardardson"
"robert payne" » "robert parker", "robert patten", "robert paul"
"robert rich" » "robert rice", "robert price", "robert richard"

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: (((("robert rich") OR ("robert payne"))) OR ("robert richardson")).
• Removing quotes may allow a broader search: (((( robert rich ) or ( robert payne ))) or ( robert richardson )).
• Adding a wildcard symbol may retrieve word variants: (((("robert rich") or ("robert payne"))) or ("robert richardson"))*.