Perhaps you should try some spelling variations:
"process control statistical methodology." » "process control statistics methodology.", "process control statistical methods."
"procesal control mexico methodology." » "procesal control america methodology.", "procesal control mexico metodologia.", "procesal control service methodology.", "social control mexico methodology.", "proceso contra mexico methodology.", "proces contre mexico methodology.", "procesal control numerico methodology."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("procesal control mexico methodology.") or ("process control statistical methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("procesal control mexico methodology.") OR ("process control statistical methodology.")).
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• Adding a wildcard symbol may retrieve word variants: (("procesal control mexico methodology.") or ("process control statistical methodology."))*.