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