"Sanump3 Gmail 1996" appears to be a short phrase combining a username-like token (sanump3), an email provider (Gmail), and a year (1996). Without additional context, here are three concise, plausible interpretations and a short written piece for each:
: Fans often search for "sanump3" to find high-quality digital recordings of his classic tracks from movies like Dilwale Dulhania Le Jayenge and Aashiqui . sanump3 gmail 1996
Because "sanump3" is not a standard technical term and Gmail was not launched until 2004, this likely refers to: A Personal Archive: "Sanump3 Gmail 1996" appears to be a short