Perhaps you should try some spelling variations:
"real investment financing sector." » "real investment banking sector.", "real government financing sector.", "real investment planning sector.", "real investment financial sector.", "real investment financial sectors.", "real investment finance sector.", "rural investment financing sector.", "total investment financing sector.", "direct investment financing sector."
"social investment finance system." » "capital investment finance system.", "initial investment finance system.", "social investment financial system.", "social investment financing system.", "social investment financial systems."

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

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