How to style hair to look thicker?

So I've been wanting to know how I can comb my hair to have thicker strands?

Each side of my head is buzz cut and so is the back, and the top is about 4 inches long. I usually use pomade to hold it and comb it up and then push it all forward (or do whatever style it is I have in mind.)

My only question is how can I comb it so the strands are thicker? I can never really get it to look thicker with my standard comb (or maybe I don't know how?) I use a small comb and it combs my hair so all the strands look neat and seperated, and not thick/messy. Is there a way/trick to comb it so the strands stick together and ok thicker, as opposed to separated and thin, which I don't like?

Or do I need a different comb?