Perhaps you should try some spelling variations:
"central government financing sources." » "central government finance sources.", "central government finances sources.", "central government funding sources.", "central government financial resources."
"local investment banking series." » "local investment bank series.", "local investment banks series.", "local investment spending series.", "social investment banking series.", "global investment banking series.", "total investment banking series.", "local investment banking services.", "local investment making series.", "local investment banking service."

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: (("local investment banking series.") or ("central government financing sources."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("local investment banking series.") OR ("central government financing sources.")).
• Removing quotes may allow a broader search: (( local investment banking series. ) or ( central government financing sources. )).
• Adding a wildcard symbol may retrieve word variants: (("local investment banking series.") or ("central government financing sources."))*.