Perhaps you should try some spelling variations:
"voluntary sector briefing : september 2019" » "voluntary sector building : september 2019", "voluntary sector borrowing : september 2019"
"voluntary export briefing : september 2019" » "voluntary export pricing : september 2019", "voluntary export marketing : september 2019"

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: (("voluntary sector briefing : september 2019") OR ("voluntary export briefing : september 2019"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"voluntary sector briefing : september 2019\") OR (\"voluntary export briefing : september 2019\"))".
• Removing quotes may allow a broader search: (( voluntary sector briefing : september 2019 ) OR ( voluntary export briefing : september 2019 )).
• Adding a wildcard symbol may retrieve word variants: (("voluntary sector briefing : september 2019") OR ("voluntary export briefing : september 2019"))*.