Perhaps you should try some spelling variations:
"real investment financing system." » "real investment banking system.", "real government financing system.", "real investment planning system.", "real investment financial system.", "real investment financial systems.", "rural investment financing system.", "total investment financing system.", "direct investment financing system."
"directly investment finance system." » "direct investment finance system.", "direct investments finance system.", "direct invesment finance system.", "directly investment financial system.", "directly investment financial systems.", "directly investment insurance system."

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