Perhaps you should try some spelling variations:
"proces contextos linguistics methodology." » "proces contextos linguisticos methodology.", "proces contexto linguistico methodology.", "proces contacto linguistico methodology.", "proceso textos linguistics methodology.", "problemas contextos linguistics methodology.", "proceso contralos linguistics methodology."
"process control estadistico methods." » "process control statistical methods.", "process control estadisticas metodos."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("proces contextos linguistics methodology.") or ("process control estadistico methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proces contextos linguistics methodology.") OR ("process control estadistico methods.")).
• Removing quotes may allow a broader search: (( proces contextos linguistics methodology. ) or ( process control estadistico methods. )).
• Adding a wildcard symbol may retrieve word variants: (("proces contextos linguistics methodology.") or ("process control estadistico methods."))*.