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