Perhaps you should try some spelling variations:
"proceso century statistics methodology." » "proceso century semiotics methodology.", "proceso century linguistics methodology.", "proceso contra statistics methodology.", "proceso cultura statistics methodology."
"process control statistical datos." » "process control statistical data.", "process control estadisticas datos.", "process control statistical methods.", "procesos control statistical datos.", "procesal control statistical datos."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("process control statistical datos.") or ("proceso century statistics methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control statistical datos.") OR ("proceso century statistics methodology.")).
• Removing quotes may allow a broader search: (( process control statistical datos. ) or ( proceso century statistics methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("process control statistical datos.") or ("proceso century statistics methodology."))*.