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

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