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

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

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