Perhaps you should try some spelling variations:
"process control estadisticas methods." » "process control estadisticas metodos.", "process control estadisticas datos.", "process control estadisticas medicas.", "process control estadistica methods.", "process control estadistico methods.", "process control statistical methods."
"procesos bayesian statistical methods." » "proceso bayesian statistical methods.", "procesos bayesiana statistical methods.", "procesos bayesiano statistical methods.", "procesos bayesianas statistical methods.", "procesos bayesian statistics methods."

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