Perhaps you should try some spelling variations:
"procesos contables statistical methods." » "procesos sociales statistical methods.", "procesos penales statistical methods."
"procesal control statistical datos." » "procesal control statistical data.", "procesal control estadisticas datos.", "procesal control statistics data.", "process control statistical datos.", "social control statistical datos.", "proceso contra statistical datos."

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 statistical datos.") or ("procesos contables statistical methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("procesal control statistical datos.") OR ("procesos contables statistical methods.")).
• Removing quotes may allow a broader search: (( procesal control statistical datos. ) or ( procesos contables statistical methods. )).
• Adding a wildcard symbol may retrieve word variants: (("procesal control statistical datos.") or ("procesos contables statistical methods."))*.