Perhaps you should try some spelling variations:
"procesos control semiotics methodology." » "procesos control statistics methodology.", "procesos control economics methodology.", "procesos control service methodology.", "process control semiotics methodology.", "proceso contra semiotics methodology.", "procesos contables semiotics methodology."
"procesos control statistical methods." » "process control statistical methods.", "proceso contra statistical methods.", "procesos contables statistical methods.", "procesos control statistics methods.", "procesos control estadisticas methods."

Try widening your search to All Fields.

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

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