Article Indexing Issue

I do not understand why but it seems that only the blog home is indexed and not the individual articles.
This is the blog: https://www.marketingstudilegali.it/blog
if I try to search on google of the text in the articles that I wrote as a result I always have only the home page of the blog and not the single article.

Am I wrong with some configuration?
thanks a lot

stefano

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