Perhaps you should try some spelling variations:
"proceso control statistical methodology." » "proceso control statistics methodology.", "proceso control statistical methods.", "process control statistical methodology.", "proceso contra statistical methodology.", "proceso contralos statistical methodology."
"proceso control social methodology." » "proceso control social metodologia.", "proceso control sociology methodology.", "proceso control social anthropology.", "process control social methodology.", "proceso contra social methodology.", "proceso contralos social methodology."

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

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