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

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