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