Hi there, Maybe you can try app SEO Manager in Shopfiy Appstore to change the title and description, which most peopel use for Shopify SEO. Then when you change your page title and meta description, You can install Open SEO Stats in Google Chorme Extension to check it. Then google bot will spent several days to crawl and index URLs in your website. When it was done, you can see the right title and description in SERP. In addtion, you can use the tool named "googlebot-fetch" to crawl and index the URLs manully in Google Search Console.
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