Perhaps you should try some spelling variations:
"processing criminal statistics methods." » "processing digital statistics methods.", "proceso criminal statistics methods.", "processing criminal statistics methodology."
"processing data statistical methods." » "processing base statistical methods.", "processing capital statistical methods.", "processing health statistical methods.", "processing digital statistical methods.", "processing spain statistical methods.", "processing units statistical methods."

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

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