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