Perhaps you should try some spelling variations:
"local investments ensuring series." » "local investment spending series.", "local investment insurance series.", "local investment lending series.", "local investment ensuring series.", "social investments ensuring series.", "social investment ensuring series.", "local investments measuring services."
"central government financing series." » "central government finance series.", "central government finances series.", "central government funding series.", "central government financing sources.", "central government financing cities.", "central government financing smes."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("local investments ensuring series.") OR ("central government financing series."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"local investments ensuring series.\") OR (\"central government financing series.\"))".
• Removing quotes may allow a broader search: (( local investments ensuring series. ) OR ( central government financing series. )).
• Adding a wildcard symbol may retrieve word variants: (("local investments ensuring series.") OR ("central government financing series."))*.