Perhaps you should try some spelling variations:
"proceso contralos statistical datos." » "proceso control statistical datos.", "proceso contra statistical datos.", "proces contreles statistical datos.", "procesos contables statistical datos.", "proceso contralos statistical data.", "proceso contralos estadisticas datos.", "proceso contralos statistics data."
"procesos process statistical methods." » "procesos problems statistical methods.", "procesos previos statistical methods."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("procesos process statistical methods.") or ("proceso contralos statistical datos."))~.
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• Removing quotes may allow a broader search: (( procesos process statistical methods. ) or ( proceso contralos statistical datos. ))*.