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."
"progresos tecnicos practicas methods." » "progreso tecnico practicas methods.", "progresos tecnicas practicas methods.", "progresos teorico practicas methods.", "progresos tecnico tacticas methods.", "progresos tecnicos practicas letradas.", "progresos tecnicos practicas medicas."

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