Perhaps you should try some spelling variations:
"proceso control statistical methodology." » "proceso control statistics methodology.", "proceso control statistical methods.", "process control statistical methodology.", "proceso contra statistical methodology.", "proceso contralos statistical methodology."
"proceso control policies methodology." » "proceso control values methodology.", "proceso control politico methodology.", "proceso control political methodology.", "proceso cultural policies methodology.", "process control policies methodology.", "proceso contra policies methodology.", "proceso contralos policies methodology."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("proceso control statistical methodology.") or ("proceso control policies methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso control statistical methodology.") OR ("proceso control policies methodology.")).
• Removing quotes may allow a broader search: (( proceso control statistical methodology. ) or ( proceso control policies methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("proceso control statistical methodology.") or ("proceso control policies methodology."))*.