Perhaps you should try some spelling variations:
"social control statistical methodology." » "social control statistics methodology.", "social control statistical methods."
"proceso control service methodology." » "proceso control science methodology.", "proceso control sciences methodology.", "process control service methodology.", "proceso contra service methodology.", "proceso contralos service methodology.", "proceso control devices methodology."

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

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