Perhaps you should try some spelling variations:
brian duncan » bruce duncan
duncan smith » duncan sarah, duncan sir, duncan scott
ian duncan » a duncan, jon duncan, innes duncan
duncan c » duncan _, duncan m

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 c )).
• Adding a wildcard symbol may retrieve word variants: (( ian duncan smith ) or ( brian duncan c ))*.