Perhaps you should try some spelling variations:
"process control statistical methodology." » "process control statistics methodology.", "process control statistical methods.", "procesos control statistical methodology.", "proceso control statistical methodology.", "procesal control statistical methodology."
"proces contreles science methodology." » "proces contreles sciences meteorology.", "proces contreles science anthropology.", "proceso contralos science methodology.", "proces contre science methodology.", "procesos contables science 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: (("process control statistical methodology.") OR ("proces contreles science methodology."))~.
• Removing quotes may allow a broader search: (( process control statistical methodology. ) or ( proces contreles science methodology. ))~.
• Adding a wildcard symbol may retrieve word variants: (("process control statistical methodology.") or ("proces contreles science methodology."))*.