Perhaps you should try some spelling variations:
"proces contreles statistical methods." » "proces control statistical methods.", "proceso contralos statistical methods.", "proces contre statistical methods.", "procesos contables statistical methods."
"proceso contra linguistics methodology." » "proceso contact linguistics methodology.", "proceso corpora linguistics methodology.", "proceso cultura linguistica methodology.", "process control linguistics methodology."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("proces contreles statistical methods.") or ("proceso contra linguistics methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proces contreles statistical methods.") OR ("proceso contra linguistics methodology.")).
• Removing quotes may allow a broader search: (( proces contreles statistical methods. ) or ( proceso contra linguistics methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("proces contreles statistical methods.") or ("proceso contra linguistics methodology."))*.