Perhaps you should try some spelling variations:
"procesado con values methodology." » "procesado con based methodology.", "procesado con policies methodology.", "procesado por values methodology.", "procesado en values methodology.", "proceso con values methodology.", "procesado con valores methodology.", "procesado con vallas methodology."
"process control statistical methods." » "procesos control statistical methods.", "proceso control statistical methods.", "procesal control statistical methods.", "process control statistics methods.", "process control estadisticas 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 statistical methods.") or ("procesado con values methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control statistical methods.") OR ("procesado con values methodology.")).
• Removing quotes may allow a broader search: (( process control statistical methods. ) or ( procesado con values methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("process control statistical methods.") or ("procesado con values methodology."))*.