Perhaps you should try some spelling variations:
"process control estadistico methodology." » "process control statistics methodology.", "process control statistical methodology.", "procesos control estadistico methodology.", "procesal control estadistico methodology."
"proceso contra devices methodology." » "proceso contra service methodology.", "proceso contra policies methodology.", "proceso contra mexico methodology.", "proceso control devices methodology.", "proceso contra civiles methodology."

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 estadistico methodology.") OR ("proceso contra devices methodology."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"process control estadistico methodology.\") OR (\"proceso contra devices methodology.\"))".
• Removing quotes may allow a broader search: (( process control estadistico methodology. ) OR ( proceso contra devices methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("process control estadistico methodology.") OR ("proceso contra devices methodology."))*.