Perhaps you should try some spelling variations:
"process control estadistico methodology." » "process control statistics methodology.", "process control statistical methodology.", "procesos control estadistico methodology.", "procesal control estadistico methodology."
"proceso control statistics methods." » "proceso control statistical methods.", "proceso control estadistica methods.", "proceso century statistics methods.", "proceso control statistics methodology.", "proceso contra statistics methods.", "proceso contralos statistics methods.", "proces contre statistics methods."

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 estadistico methodology.") or ("proceso control statistics methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control estadistico methodology.") OR ("proceso control statistics methods.")).
• Removing quotes may allow a broader search: (( process control estadistico methodology. ) or ( proceso control statistics methods. )).
• Adding a wildcard symbol may retrieve word variants: (("process control estadistico methodology.") or ("proceso control statistics methods."))*.