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

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