Perhaps you should try some spelling variations:
"procesal control estadistico methodology." » "procesal control statistics methodology.", "procesal control statistical methodology.", "social control estadistico methodology.", "proceso contra estadistico methodology.", "proces contre estadistico methodology."
"process control critico methodology." » "process control criticism methodology.", "process control mexico methodology.", "process control semiotics methodology.", "process control politico methodology.", "process control quimico methodology.", "process contexto critico methodology."

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

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