Perhaps you should try some spelling variations:
"proceso contralos statistical methods." » "proceso control statistical methods.", "proceso contra statistical methods.", "proces contreles statistical methods.", "procesos contables statistical methods."
"proces control estadistico datos." » "proces control statistical datos.", "proces control estadisticas datos.", "proces control estadistico factor.", "proces control estadistica casos.", "process control estadistico datos.", "proces contre estadistico datos.", "proces contreles estadistico datos."

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