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