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