Perhaps you should try some spelling variations:
"proceso contralos statistical methods." » "proceso control statistical methods.", "proceso contra statistical methods.", "proces contreles statistical methods.", "procesos contables statistical methods."
"proceso control sciences methodology." » "proceso control science methodology.", "proceso control sciences meteorology.", "proceso control science ethnology.", "proceso control civiles methodology.", "proceso control nociones methodology.", "process control sciences methodology.", "proceso contra sciences methodology.", "proces contre sciences 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 contralos statistical methods.") or ("proceso control sciences methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso contralos statistical methods.") OR ("proceso control sciences methodology.")).
• Removing quotes may allow a broader search: (( proceso contralos statistical methods. ) or ( proceso control sciences methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("proceso contralos statistical methods.") or ("proceso control sciences methodology."))*.