Perhaps you should try some spelling variations:
"process control statistical methodology." » "process control statistics methodology.", "process control statistical methods.", "proceso control statistical methodology.", "procesal control statistical methodology."
"procesos contables science ethnology." » "procesos sociales science ethnology.", "procesos penales science ethnology.", "procesos contables science methodology.", "procesos contables science sociology.", "procesos contables science biotechnology."

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