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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("proceso contralos statistics methods.") or ("procesos contables statistical methods."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso contralos statistics methods.") OR ("procesos contables statistical methods."))*.
• Removing quotes may allow a broader search: (( proceso contralos statistics methods. ) or ( procesos contables statistical methods. ))*.