Perhaps you should try some spelling variations:
"proces contreles linguistics methodology." » "proces contextos linguisticos methodology.", "proces contact linguistics methodology.", "proces contexto linguistico methodology.", "proceso contralos linguistics methodology.", "proces contre linguistics methodology.", "procesos contables linguistics 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 linguistics methodology.") OR ("process control statistical methods."))~.
• Removing quotes may allow a broader search: (( proces contreles linguistics methodology. ) or ( process control statistical methods. ))~.
• Adding a wildcard symbol may retrieve word variants: (("proces contreles linguistics methodology.") or ("process control statistical methods."))*.