Perhaps you should try some spelling variations:
"bruce duncan smith" » "bruce duncan sarah", "bruce duncan scott"
"ian duncan gray" » "ian duncan grant", "ian duncan green", "ian duncan sarah", "brian duncan gray", "ra duncan gray", "a duncan gray"
"bruce duncan sir" » "bruce duncan i", "bruce duncan sarah"

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 duncan gray") OR ((("bruce duncan smith") OR ("bruce duncan sir")))).
• Removing quotes may allow a broader search: (( ian duncan gray ) or ((( bruce duncan smith ) or ( bruce duncan sir )))).
• Adding a wildcard symbol may retrieve word variants: (("ian duncan gray") or ((("bruce duncan smith") or ("bruce duncan sir"))))*.