Perhaps you should try some spelling variations:
"ian duncan smith" » "ian duncan sarah", "brian duncan smith", "a duncan smith", "jon duncan smith"
"bruce duncan scott" » "bruce duncan scotus", "bruce duncan stone"
"ian duncan sir" » "brian duncan sir", "a duncan sir", "jon duncan sir", "ian duncan i", "ian 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 smith") OR ("ian duncan sir"))) OR ("bruce duncan scott"))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"ian duncan smith\") OR (\"ian duncan sir\"))) or (\"bruce duncan scott\"))*".
• Removing quotes may allow a broader search: (((( ian duncan smith ) OR ( ian duncan sir ))) or ( bruce duncan scott ))*.