Perhaps you should try some spelling variations:
"proceso contra semiotics methodology." » "proceso contra statistics methodology.", "proceso contra economics methodology.", "proceso contra service methodology.", "proceso contra serotipos methodology.", "process control semiotics methodology."
"procesos control statistical methods." » "process control statistical methods.", "procesos contables statistical methods.", "proceso contralos statistical methods.", "procesos control statistics methods.", "procesos 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 contra semiotics methodology.") or ("procesos control statistical methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso contra semiotics methodology.") OR ("procesos control statistical methods.")).
• Removing quotes may allow a broader search: (( proceso contra semiotics methodology. ) or ( procesos control statistical methods. )).
• Adding a wildcard symbol may retrieve word variants: (("proceso contra semiotics methodology.") or ("procesos control statistical methods."))*.