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