Perhaps you should try some spelling variations:
tenison edward » pearson edward
rawson edward » branson edward, mason edward, paxson edward
lawson edward » larson edward, alanson edward, mason edward
manson edward » evanson edward, pearson edward, hatton edward
dawson edward » dobson edward, mason edward, paxson edward
john dawson » john lawson, john davison

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: (( john ((((rawson edward) OR (lawson edward))) OR (((manson edward) OR (tenison edward)))) ) OR ( john dawson edward )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( john ((((rawson edward) or (lawson edward))) or (((manson edward) OR (tenison edward)))) ) or ( john dawson edward ))".
• Adding a wildcard symbol may retrieve word variants: (( john ((((rawson edward) or (lawson edward))) or (((manson edward) OR (tenison edward)))) ) or ( john dawson edward ))*.