Perhaps you should try some spelling variations:
"procesos contables statistical methods." » "procesos control statistical methods.", "procesos sociales statistical methods.", "procesos penales statistical methods."
"process control estadistica casos." » "process control estadistico casos.", "process control statistical casos.", "process economia estadistica casos.", "process control estadistica usos.", "process control estadisticas datos.", "process control estadistica con."

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