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."
"proceso penal statistical methodology." » "proceso penal statistics methodology.", "proceso penal statistical methods.", "proceso capital statistical methodology.", "proceso health statistical 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 control statistical methodology.") OR ("proceso penal statistical methodology."))~.
• Removing quotes may allow a broader search: (( proceso control statistical methodology. ) or ( proceso penal statistical methodology. ))~.
• Adding a wildcard symbol may retrieve word variants: (("proceso control statistical methodology.") or ("proceso penal statistical methodology."))*.