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 statistical estudios." » "proceso control statistical estudios.", "proceso contralos estadistica estudios.", "proceso contralos artisticas estudios.", "proceso contra statistical estudios.", "proces contreles statistical estudios.", "process control statistical estudios."

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