Perhaps you should try some spelling variations:
"proceso control statistical methodology." » "proceso control statistics methodology.", "proceso control statistical methods.", "process control statistical methodology.", "proceso contralos statistical methodology.", "proces contre statistical methodology."
"proceso contra devices methodology." » "proceso contra service methodology.", "proceso contra policies methodology.", "proceso contra mexico methodology.", "process control devices methodology.", "proceso control devices methodology.", "proceso contra civiles 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 contra devices methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso control statistical methodology.") OR ("proceso contra devices methodology.")).
• Removing quotes may allow a broader search: (( proceso control statistical methodology. ) or ( proceso contra devices methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("proceso control statistical methodology.") or ("proceso contra devices methodology."))*.