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