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 training series." » "local investment planning series.", "local investment rating series.", "local investment writing series.", "social investment training series.", "global investment training series.", "total investment training series.", "local investment training services.", "local investment trading series.", "local investment training levies."

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