Coming straightforwardly to the code, you can utilize the tax_query boundary of WP_Query to carry out.

$wpjam_query 	= new WP_Query([
	'post_status'	=> 'publish',
	'tax_query'		=> [
		[
			'taxonomy'	=> 'post_tag',
			'field'		=> 'id',
			'operator'	=> 'NOT EXISTS'
		]
	]
]);

Straightforwardly in the WordPress backend article rundown to choose no set classifications can be, and not labeled articles, then, at that point add tag = – 1 in the URL to get.