Perhaps you should try some spelling variations:
"process control statistical methodology." » "process control statistics methodology.", "process control statistical methods."
"proceso contralos nociones methodology." » "proceso contralos sciences methodology.", "proceso contralos policies methodology.", "proceso contralos sociology methodology.", "proceso control nociones methodology.", "proceso contra nociones methodology.", "proces contreles nociones methodology.", "procesos contables nociones methodology."

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

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