Perhaps you should try some spelling variations:
"Improving poor performance metrics." » "Improving poor performance contracts.", "Improving poor performance contract.", "Improving export performance metrics.", "Improving sector performance metrics.", "Improving _ performance metrics."
"improving human performance measures." » "improving loan performance measures.", "improving thermal performance measures.", "improving company performance measures.", "improving urban performance measures.", "improving rural performance measures."
improving poor » improving power, improving food, improving indoor

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