Perhaps you should try some spelling variations:
"process control statistical methodology." » "process control statistics methodology.", "process control statistical methods."
"proces contre service methodology." » "proces contre science methodology.", "proces contre sciences methodology.", "proces software service methodology.", "proceso contra service methodology.", "proces contreles service methodology.", "voces contra service methodology."

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

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