Perhaps you should try some spelling variations:
"hans nielsen paul" » "hans kelsen paul", "hans nelen paul", "jane nielsen paul", "hansen nielsen paul"
"hans niels paul" » "hansen niels paul", "hans daniels paul", "hans girls paul", "hans mills paul"
"hans niels gaul" » "hansen niels gaul"

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: (("hans nielsen paul") OR ((("hans niels paul") OR ("hans niels gaul")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"hans nielsen paul\") or (((\"hans niels paul\") OR (\"hans niels gaul\"))))".
• Removing quotes may allow a broader search: (( hans nielsen paul ) or ((( hans niels paul ) OR ( hans niels gaul )))).
• Adding a wildcard symbol may retrieve word variants: (("hans nielsen paul") or ((("hans niels paul") OR ("hans niels gaul"))))*.