Perhaps you should try some spelling variations:
"proceso hechos linguisticos methodology." » "proceso hechos linguistics methodology.", "proceso hechos linguistica metodologia.", "proceso hecho linguistico methodology.", "proceso derechos linguisticos methodology.", "proceso aspectos linguisticos methodology."
"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."

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 hechos linguisticos methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control statistics methodology.") OR ("proceso hechos linguisticos methodology.")).
• Removing quotes may allow a broader search: (( process control statistics methodology. ) or ( proceso hechos linguisticos methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("process control statistics methodology.") or ("proceso hechos linguisticos methodology."))*.