use warnings;
use 5.012;
use Mojo::DOM;

my $dom = Mojo::DOM->new(<<'HTML');
<div>
	<div class="LC20lb DKV0Md"> matches </div>
	<div class="DKV0Md"> no match </div>
	<div class="DKV0Md LC20lb"> matches </div>
	<div class="BNeawe vvjwJb AP7Wnd"> matches </div>
	<div class="BNeawe AP7Wnd vvjwJb"> matches </div>
	<div class="AP7Wnd vvjwJb BNeawe"> matches </div>
	<div class="BNeawe AP7Wnd"> no match </div>
	<div class="CVA68e qXLe6d"> matches </div>
	<div class="qXLe6d CVA68e"> matches </div>
	<div class="qXLe6d"> no match </div>
</div>
HTML

$dom->find('.LC20lb.DKV0Md, .BNeawe.vvjwJb.AP7Wnd, .CVA68e.qXLe6d')
	->each(sub { say });