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."
"proceso control statistical methods." » "process control statistical methods.", "proceso contra statistical methods.", "proceso contralos statistical methods.", "proceso control statistics methods.", "proceso control estadisticas methods."

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

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