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