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