Perhaps you should try some spelling variations:
"proces contre devices methodology." » "proces contre service methodology.", "proces contre policies methodology.", "proces contre mexico methodology.", "proces control devices methodology.", "proceso contra devices methodology.", "proces contreles devices methodology.", "voces contra devices methodology."
"process control statistics methods." » "process control statistical methods.", "process control estadistico methods.", "process control estadistica methods.", "process control statistics methodology.", "procesos control statistics methods.", "proceso control statistics methods.", "procesal control statistics methods."

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