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 service methodology." » "proceso contralos science methodology.", "proceso contralos sciences methodology.", "proceso contra service methodology.", "proces contreles service methodology.", "process control service methodology."

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