Perhaps you should try some spelling variations:
"process control estadistica methodology." » "process control statistics methodology.", "process control estadistico methodology.", "process control statistical methodology.", "process economia estadistica methodology."
"proceso contra service methodology." » "proceso contra science methodology.", "proceso contra sciences methodology.", "proceso consular service methodology."

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

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