Perhaps you should try some spelling variations:
"improving school performance contracts." » "improving schools performance contracts.", "improving preschool performance contracts.", "improve school performance contracts."
"improving poor performance targets." » "improving export performance targets.", "improving sector performance targets.", "improving _ performance targets.", "improving power performance targets.", "improving food performance targets.", "improving indoor performance targets."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("improving poor performance targets.") or ("improving school performance contracts."))~.
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