Perhaps you should try some spelling variations:
"process control racional methodology." » "process control science methodology.", "process control operacional methodology.", "process control tradicional methodology.", "process control poblacional methodology.", "procesos control racional methodology.", "procesal control racional methodology."
"proceso control linguistics methodology." » "proceso contact linguistics methodology.", "proceso contextos linguisticos methodology.", "proceso contacto linguistico methodology.", "proceso contra linguistics methodology.", "proceso contralos linguistics methodology.", "proces contre linguistics 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 racional methodology.") or ("proceso control linguistics methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control racional methodology.") OR ("proceso control linguistics methodology.")).
• Removing quotes may allow a broader search: (( process control racional methodology. ) or ( proceso control linguistics methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("process control racional methodology.") or ("proceso control linguistics methodology."))*.