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."
"procesal control statistical methods." » "process control statistical methods.", "social control statistical methods.", "proceso contra statistical methods.", "procesal control estadisticas methods."

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

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