Perhaps you should try some spelling variations:
"procesos contables statistics methods." » "procesos states statistics methods.", "procesos sociales statistics methods.", "procesos penales statistics methods.", "procesos contables statistical methods.", "procesos contables statistics methodology."
"social control statistics methods." » "social control statistical methods.", "social control statistics methodology.", "social control estadistico methods.", "social control estadistica 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: (("procesos contables statistics methods.") OR ("social control statistics methods."))~.
• Removing quotes may allow a broader search: (( procesos contables statistics methods. ) or ( social control statistics methods. ))~.
• Adding a wildcard symbol may retrieve word variants: (("procesos contables statistics methods.") or ("social control statistics methods."))*.