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