Perhaps you should try some spelling variations:
"procesos contables statistics methods." » "procesos states statistics methods.", "procesos sociales statistics methods.", "procesos penales statistics methods.", "procesos contables statistical methods.", "procesos contables statistics methodology."
"proceso control statistics data." » "proceso control statistical data.", "proceso control estadistico data.", "proceso control estadistica data.", "process control statistics data.", "proceso contra statistics data.", "proceso contralos statistics data."

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

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