How can I take off the H1 tags?

[Miltos Terzopoulos]

In same site that analyze my seo l see that h1 h2 are missing from my seo.
I want these key words (<h1>Μεταχειρισμένα Αυτοκίνητα</h1>) (<h2>Μοτοσυκλέτες<h2>) to appear in the place of h1 h2 in my site so that my site can by more easily detected by google in the search engines.

h1 h2.PNG

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