Perhaps you should try some spelling variations:
"procesal control statistical methodology." » "procesal control statistics methodology.", "procesal control statistical methods.", "process control statistical methodology.", "social control statistical methodology.", "proceso contra statistical methodology."
"procesos contables devices methodology." » "procesos contables service methodology.", "procesos contables policies methodology.", "procesos contables mexico methodology.", "procesos sociales devices methodology.", "procesos penales devices methodology.", "procesos control devices methodology."

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: (("procesal control statistical methodology.") OR ("procesos contables devices methodology."))~.
• Removing quotes may allow a broader search: (( procesal control statistical methodology. ) or ( procesos contables devices methodology. ))~.
• Adding a wildcard symbol may retrieve word variants: (("procesal control statistical methodology.") or ("procesos contables devices methodology."))*.