Perhaps you should try some spelling variations:
"procesos science statistical methods." » "procesos sciences statistical methods.", "procesos sciences statistics methods.", "procesos ciencias statistical methods.", "procesos serie statistical methods.", "procesos balance statistical methods."
"proceso contra statistics 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 ("procesos science statistical methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso contra statistics methods.") OR ("procesos science statistical methods.")).
• Removing quotes may allow a broader search: (( proceso contra statistics methods. ) or ( procesos science statistical methods. )).
• Adding a wildcard symbol may retrieve word variants: (("proceso contra statistics methods.") or ("procesos science statistical methods."))*.