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