Perhaps you should try some spelling variations:
"proceso control estadistico methodology." » "proceso control statistics methodology.", "proceso control statistical methodology.", "process control estadistico methodology.", "proceso contra estadistico methodology.", "proceso contralos estadistico methodology."
"procesal control sciences methodology." » "procesal control science methodology.", "procesal control sciences meteorology.", "procesal control science ethnology.", "process control sciences methodology.", "social control sciences methodology.", "proceso contra sciences methodology.", "procesal control civiles methodology.", "procesal control nociones methodology."

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

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