Perhaps you should try some spelling variations:
"process control statistics methodology." » "process control semiotics methodology.", "process control linguistics methodology.", "process control statistical methodology.", "process control estadistico methodology.", "process control estadistica methodology.", "procesos control statistics methodology.", "proceso control statistics methodology.", "procesal control statistics methodology."
"proces para pacientes methodology." » "proces para sciences methodology.", "proces para science methodology.", "proces para policies methodology.", "proces para docentes methodology.", "proces a pacientes methodology.", "proceso para pacientes methodology.", "procesos para pacientes methodology.", "procesal para pacientes methodology."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control statistics methodology.") OR ("proces para pacientes methodology."))~.
• Removing quotes may allow a broader search: (( process control statistics methodology. ) or ( proces para pacientes methodology. ))~.
• Adding a wildcard symbol may retrieve word variants: (("process control statistics methodology.") or ("proces para pacientes methodology."))*.