Perhaps you should try some spelling variations:
"process control statistics methodology." » "process control semiotics methodology.", "process control linguistics methodology.", "process control statistical methodology.", "process control estadistico methodology.", "process control estadistica methodology.", "procesos control statistics methodology.", "procesal control statistics methodology."
"proceso y estadisticas methods." » "proceso y estadisticas metodos.", "proceso y statistical methods.", "proceso y estadisticas datos.", "proceso la estadistica methods.", "proceso de estadisticas methods.", "proceso en estadisticas methods."

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