Perhaps you should try some spelling variations:
"procesal control statistical methodology." » "procesal control statistics methodology.", "process control statistical methodology.", "social control statistical methodology.", "proceso contra statistical methodology."
"procesos penales statistical methods." » "procesos problems statistical methods.", "procesos health statistical methods.", "procesos sciences statistical methods.", "proceso penal statistical methods.", "procesos contables statistical methods.", "procesos sociales statistical methods."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("procesal control statistical methodology.") or ("procesos penales statistical methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("procesal control statistical methodology.") OR ("procesos penales statistical methods.")).
• Removing quotes may allow a broader search: (( procesal control statistical methodology. ) or ( procesos penales statistical methods. )).
• Adding a wildcard symbol may retrieve word variants: (("procesal control statistical methodology.") or ("procesos penales statistical methods."))*.