Perhaps you should try some spelling variations:
"prichard davidson" » "richard davies", "richard david", "prichard wilson"
"pritchard david" » "richard david", "u'prichard david", "richards david"
"richard daniel" » "richard davies", "richard banister"
"richard davis" » "richard davies", "richard dawkins"

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: (((("prichard davidson") OR ((("richard davis") OR ("richard daniel"))))) OR ("pritchard david")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"prichard davidson\") or (((\"richard davis\") OR (\"richard daniel\"))))) or (\"pritchard david\"))".
• Removing quotes may allow a broader search: (((( prichard davidson ) or ((( richard davis ) OR ( richard daniel ))))) or ( pritchard david )).
• Adding a wildcard symbol may retrieve word variants: (((("prichard davidson") or ((("richard davis") OR ("richard daniel"))))) or ("pritchard david"))*.