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

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