Perhaps you should try some spelling variations:
"process control nociones methodology." » "process control sciences methodology.", "process control policies methodology.", "process control sociology methodology.", "process control racional methodology.", "procesos control nociones methodology.", "procesal control nociones methodology."
"proceso control statistical methods." » "proceso contra statistical methods.", "proceso contralos statistical methods.", "proces contre statistical methods.", "proceso control statistics methods.", "proceso control estadisticas methods."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("process control nociones methodology.") or ("proceso control statistical methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control nociones methodology.") OR ("proceso control statistical methods.")).
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