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

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

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