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."
"procesal control devices methodology." » "procesal control service methodology.", "procesal control policies methodology.", "procesal control mexico methodology.", "social control devices methodology.", "proceso contra devices methodology.", "proces contre devices methodology.", "procesal 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: (("procesal control devices methodology.") or ("process control estadistica methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("procesal control devices methodology.") OR ("process control estadistica methodology.")).
• Removing quotes may allow a broader search: (( procesal control devices methodology. ) or ( process control estadistica methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("procesal control devices methodology.") or ("process control estadistica methodology."))*.