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