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

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