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

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