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