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