Perhaps you should try some spelling variations:
"voluntary sector briefing : september 2012" » "voluntary export briefing : september 2012", "voluntary sector borrowing : september 2012", "voluntary sector briefing : september 2019", "voluntary sector briefing : september 2008"
"poultry sector briefing : september 2013" » "poultry sector borrowing : september 2013"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("poultry sector briefing : september 2013") or ("voluntary sector briefing : september 2012"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("poultry sector briefing : september 2013") OR ("voluntary sector briefing : september 2012")).
• Removing quotes may allow a broader search: (( poultry sector briefing : september 2013 ) or ( voluntary sector briefing : september 2012 )).
• Adding a wildcard symbol may retrieve word variants: (("poultry sector briefing : september 2013") or ("voluntary sector briefing : september 2012"))*.