Perhaps you should try some spelling variations:
rawson edward » lawson edward, branson edward, paxson edward
manson edward » evanson edward, tenison edward, hatton edward
dawson edward » lawson edward, dobson edward, paxson edward
mason edward » masoro edward, paxson edward, payson edward

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