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