Perhaps you should try some spelling variations:
"voluntary export pricing : september 2019" » "voluntary export prices : september 2019", "voluntary export price : september 2019", "voluntary export processing : september 2019"
"voluntary sector borrowing : september 2008" » "voluntary sector borrowing : september 2013", "voluntary sector borrowing : september 2012"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("voluntary export pricing : september 2019") OR ("voluntary sector borrowing : september 2008"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"voluntary export pricing : september 2019\") OR (\"voluntary sector borrowing : september 2008\"))".
• Removing quotes may allow a broader search: (( voluntary export pricing : september 2019 ) OR ( voluntary sector borrowing : september 2008 )).
• Adding a wildcard symbol may retrieve word variants: (("voluntary export pricing : september 2019") OR ("voluntary sector borrowing : september 2008"))*.