Perhaps you should try some spelling variations:
"proceso control statistics methodology." » "proceso control semiotics methodology.", "proceso control linguistics methodology.", "proceso control estadistico methodology.", "proceso control estadistica methodology.", "proceso century statistics methodology.", "proceso contra statistics methodology.", "proceso contralos statistics methodology.", "proces contre statistics methodology."
"process control statistical methods." » "process control estadisticas 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: (("proceso control statistics methodology.") or ("process control statistical methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso control statistics methodology.") OR ("process control statistical methods.")).
• Removing quotes may allow a broader search: (( proceso control statistics methodology. ) or ( process control statistical methods. )).
• Adding a wildcard symbol may retrieve word variants: (("proceso control statistics methodology.") or ("process control statistical methods."))*.