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."
"real investment finance system." » "rural investment finance system.", "total investment finance system.", "direct investment finance system.", "real investment financial system.", "real investment financial systems.", "real investment insurance system."

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