Perhaps you should try some spelling variations:
"national investment financing system." » "national investment banking system.", "national government financing system.", "national investment planning system.", "international investment financing system.", "capital investment financing system.", "national treatment financing system.", "national investment financial system."
"global investment financial systems." » "global investments financial systems.", "global investment finance systems.", "global investment finances systems.", "social investment financial systems.", "global investment financial system.", "global investment financial statements."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("national investment financing system.") or ("global investment financial systems."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("national investment financing system.") OR ("global investment financial systems.")).
• Removing quotes may allow a broader search: (( national investment financing system. ) or ( global investment financial systems. )).
• Adding a wildcard symbol may retrieve word variants: (("national investment financing system.") or ("global investment financial systems."))*.