Perhaps you should try some spelling variations:
"proceso control statistical methodology." » "proceso control statistical methods.", "process control statistical methodology.", "proceso contra statistical methodology.", "proceso contralos statistical methodology."
"proceso penal statistics methodology." » "proceso penal semiotics methodology.", "proceso penal linguistics methodology.", "proceso peru statistics methodology.", "proceso vital statistics methodology.", "proceso medical statistics 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 statistics methodology."))~.
• Removing quotes may allow a broader search: (( proceso control statistical methodology. ) or ( proceso penal statistics methodology. ))~.
• Adding a wildcard symbol may retrieve word variants: (("proceso control statistical methodology.") or ("proceso penal statistics methodology."))*.