Perhaps you should try some spelling variations:
"support estimate interregional series." » "support estimating international series.", "support estimate interregional trade.", "support climate interregional series.", "support state interregional series."
"support fare integration efforts." » "support fare international efforts.", "support fare conservation efforts.", "support market integration efforts.", "support trade integration efforts.", "support data integration efforts.", "support falls integration efforts.", "support state integration efforts."

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