Site has few unindex pages that I dont want

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Hi. Beginner here.
I am using Astra theme. Google search console shows pages:

**Excluded by ‘noindex’ tag** :

{search\_term\_string}
indexed:

They are not present in wp admin, not even under deleted posts or pages (I have 4 pages, no posts or menus or categories that I know of).
I am wondering are they harmful for seo, so, how can I get rid of them?

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