Perhaps you should try some spelling variations:
"process control statistical methodology." » "process control statistics methodology.", "process control statistical methods.", "procesos control statistical methodology.", "procesal control statistical methodology."
"proceso control science ethnology." » "proceso control science methodology.", "proceso control science sociology.", "proceso control science biotechnology.", "proceso contra science ethnology.", "proceso contralos science ethnology.", "proces contre science ethnology."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("process control statistical methodology.") or ("proceso control science ethnology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control statistical methodology.") OR ("proceso control science ethnology.")).
• Removing quotes may allow a broader search: (( process control statistical methodology. ) or ( proceso control science ethnology. )).
• Adding a wildcard symbol may retrieve word variants: (("process control statistical methodology.") or ("proceso control science ethnology."))*.