Perhaps you should try some spelling variations:
"procesos contables estadisticas datos." » "procesos tablas estadisticas datos.", "procesos control estadistica datos.", "procesos hoteles estadistica datos.", "procesos sociales estadisticas datos.", "procesos penales estadisticas datos.", "procesos contables estadistica casos.", "procesos contables estadisticas metodos.", "procesos contables estadisticas de."
"process control statistics methods." » "process control statistical methods.", "process control estadistico methods.", "process control estadistica methods.", "process control statistics methodology.", "proceso control statistics methods.", "procesal control statistics methods."

Try widening your search to All Fields.

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

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