My website started from 2018, I use Wordpress and this page is a woocommerce product page, btw I found only 1 keyword match, now I've added 2, thanks for your reply.

It's fluctuating like crazy every 2 days, by up +90, and another 2 day will go down -90, and up again, and so it goes on.

<img src="https://i.ibb.co/B3nM15r/screen-capture-for-semrush-seo-fluctuating-serp-keyword.jpg&quot; alt="screen-capture-for-semrush-seo-fluctuating-serp-keyword">

Btw, the same landing page has no problem with the other keywords rank in SERP