Perhaps you should try some spelling variations:
"proces contre estadistico methods." » "proces contre estadisticas metodos.", "proces contre statistical methods.", "proces control estadistico methods.", "proces control estadistica methods.", "proces muestreo estadistico methods.", "proceso contra estadistico methods.", "proces contreles estadistico methods.", "voces contra estadistico methods."
"process control statistics methods." » "process control statistical methods.", "process control estadistico methods.", "process control estadistica methods.", "process control statistics methodology.", "procesos control statistics methods.", "proceso control statistics methods.", "procesal control statistics methods."

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