Perhaps you should try some spelling variations:
"Improving poor performance metrics." » "Improving poor performance contracts.", "Improving poor performance measures.", "Improving poor performance contract.", "Improving export performance metrics.", "Improving sector performance metrics.", "Improving _ performance metrics."
"improving loan performance series." » "improving loan performance reviews.", "improving loan performance review.", "improving loan performance targets.", "improving bank performance series.", "improving _ performance series.", "improving firm performance series.", "improving local performance series.", "improving land performance series.", "improving road performance series."
improving poor » improving power, improving food, improving indoor

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