Perhaps you should try some spelling variations:
"proceso contralos statistical methods." » "proceso control statistical methods.", "proceso contra statistical methods.", "proces contreles statistical methods.", "procesos contables statistical methods."
"proces contre science methodology." » "proces contre sciences meteorology.", "proces contre science anthropology.", "proces cognitive science methodology.", "proceso contra science methodology.", "proces contreles science methodology.", "process control science methodology."

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