Contextually unique searches versus contextually similar searches. Nin, NIN, nine inch nails, Trent Reznor VS Nin, pantera, nail bomb, muse This should be e

Contextually unique searches versus contextually similar searches. Nin, NIN, nine inch nails, Trent Reznor VS Nin, pantera, nail bomb, muse This should be easy to differentiate, with a "[someone's name] distance algorithm" or such, right?