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 control nociones methodology." » "proceso control sciences methodology.", "proceso control policies methodology.", "proceso control sociology methodology.", "proceso control racional methodology.", "proceso contra nociones methodology.", "proceso contralos nociones methodology.", "proces contre 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: (("proceso control nociones methodology.") or ("process control estadistica methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso control nociones methodology.") OR ("process control estadistica methodology.")).
• Removing quotes may allow a broader search: (( proceso control nociones methodology. ) or ( process control estadistica methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("proceso control nociones methodology.") or ("process control estadistica methodology."))*.