Perhaps you should try some spelling variations:
"2014 united kingdom european union membership referendum" » "14 united kingdom european union membership referendum"
"2014 united kingdom european union membership inference" » "14 united kingdom european union membership inference", "2014 united kingdom european union membership conference"
"24 united kingdom european union membership inference" » "2 united kingdom european union membership inference", "14 united kingdom european union membership inference", "4 united kingdom european union membership inference", "24 united kingdom european union membership conference"

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: (("2014 united kingdom european union membership referendum") OR ((("2014 united kingdom european union membership inference") OR ("24 united kingdom european union membership inference")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"2014 united kingdom european union membership referendum\") or (((\"2014 united kingdom european union membership inference\") OR (\"24 united kingdom european union membership inference\"))))".
• Removing quotes may allow a broader search: (( 2014 united kingdom european union membership referendum ) or ((( 2014 united kingdom european union membership inference ) OR ( 24 united kingdom european union membership inference )))).
• Adding a wildcard symbol may retrieve word variants: (("2014 united kingdom european union membership referendum") or ((("2014 united kingdom european union membership inference") OR ("24 united kingdom european union membership inference"))))*.