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

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