Perhaps you should try some spelling variations:
"procesos control estadistico methodology." » "procesos control statistics methodology.", "procesos control statistical methodology.", "proceso contra estadistico methodology.", "procesos contables estadistico methodology.", "proceso contralos estadistico methodology."
"process control science methodology." » "process control sciences meteorology.", "process control science anthropology."

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: (("procesos control estadistico methodology.") OR ("process control science methodology."))~.
• Removing quotes may allow a broader search: (( procesos control estadistico methodology. ) or ( process control science methodology. ))~.
• Adding a wildcard symbol may retrieve word variants: (("procesos control estadistico methodology.") or ("process control science methodology."))*.