Perhaps you should try some spelling variations:
"procesos sciences statistical methods." » "procesos ciencias statistical methods.", "procesos sociales statistical methods.", "procesos civiles statistical methods.", "procesos sciences statistics methods.", "procesos sciences estadisticas methods."
"proceso control statistical methods." » "process control statistical methods.", "proceso contra statistical methods.", "proceso contralos statistical methods.", "proceso control statistics methods.", "proceso control estadisticas methods."

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