Perhaps you should try some spelling variations:
"ian duncan smith" » "ian duncan sarah", "ian duncan sir", "ian duncan scott", "jon duncan smith", "innes duncan smith"
"brian duncan smith" » "brian duncan sarah", "brian duncan sir", "brian duncan scott", "bruce duncan smith", "brjon duncan smith", "brinnes duncan smith"
"a duncan smith" » "a duncan sarah", "a duncan sir", "a duncan scott", "ra duncan smith", "m duncan smith", "mr duncan smith"
"j duncan smith" » "j duncan sarah", "j duncan sir", "j duncan scott", "mr duncan smith"
"_ duncan smith" » "_ duncan sarah", "_ duncan sir", "_ duncan scott", "_ dunciad smith"

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 ("brian duncan smith"))) OR ((("a duncan smith") OR ((("j duncan smith") OR ("_ duncan smith")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"ian duncan smith\") or (\"brian duncan smith\"))) or (((\"a duncan smith\") or (((\"j duncan smith\") OR (\"_ duncan smith\"))))))".
• Removing quotes may allow a broader search: (((( ian duncan smith ) or ( brian duncan smith ))) or ((( a duncan smith ) or ((( j duncan smith ) OR ( _ duncan smith )))))).
• Adding a wildcard symbol may retrieve word variants: (((("ian duncan smith") or ("brian duncan smith"))) or ((("a duncan smith") or ((("j duncan smith") OR ("_ duncan smith"))))))*.