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