Perhaps you should try some spelling variations:
"proces contre statistics methods." » "proces contre statistical methods.", "proces contre statistics methodology.", "proces century statistics methods.", "proces control statistical methods.", "proces chile statistics methods.", "proceso contra statistics methods.", "proces contreles statistics methods.", "process control statistics methods."
"social control statistics methods." » "social control statistical methods.", "social control statistics methodology.", "social control estadistico methods.", "social control estadistica methods."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("proces contre statistics methods.") OR ("social control statistics methods."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"proces contre statistics methods.\") OR (\"social control statistics methods.\"))".
• Removing quotes may allow a broader search: (( proces contre statistics methods. ) OR ( social control statistics methods. )).
• Adding a wildcard symbol may retrieve word variants: (("proces contre statistics methods.") OR ("social control statistics methods."))*.