Perhaps you should try some spelling variations:
"processing digital statistics methods." » "processing vital statistics methods.", "processing criminal statistics methods.", "processing medical statistics methods.", "processing digital statistical methods.", "processing digital statistics methodology."
"processing capital statistics methods." » "processing capital statistical methods.", "processing capital statistics methodology.", "processing data statistics methods.", "processing vital statistics methods.", "processing criminal statistics methods."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("processing digital statistics methods.") OR ("processing capital statistics methods."))~.
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