Perhaps you should try some spelling variations:
"quan alan johnston" » "quan alan johnson", "quan jean johnston", "quan alex johnston", "dean alan johnston", "dunn alan johnston", "han alan johnston"
"ian ben johnson" » "ian john johnson", "ian keen johnson"
"ian dr johnson" » "ian _ johnson", "ian er johnson"

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: (((("ian dr johnson") OR ("quan alan johnston"))) OR ("ian ben johnson")).
• Removing quotes may allow a broader search: (((( ian dr johnson ) or ( quan alan johnston ))) or ( ian ben johnson )).
• Adding a wildcard symbol may retrieve word variants: (((("ian dr johnson") or ("quan alan johnston"))) or ("ian ben johnson"))*.