Perhaps you should try some spelling variations:
"procesal control semiotics methodology." » "procesal control statistics methodology.", "procesal control economics methodology.", "procesal control service methodology.", "process control semiotics methodology.", "social control semiotics methodology.", "proceso contra semiotics methodology."
"problemas contextos linguistics methodology." » "problemas contextos linguisticos methodology.", "problemas contexto linguistico methodology.", "problemas contacto linguistico methodology.", "problemas concretos linguistics methodology.", "problemas candentes linguistics methodology.", "problemas internos 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: (("procesal control semiotics methodology.") or ("problemas contextos linguistics methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("procesal control semiotics methodology.") OR ("problemas contextos linguistics methodology.")).
• Removing quotes may allow a broader search: (( procesal control semiotics methodology. ) or ( problemas contextos linguistics methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("procesal control semiotics methodology.") or ("problemas contextos linguistics methodology."))*.