Restore Shopify Google Shopping Visibility

My Shopify store’s catalogue is fully approved in Google Merchant Center, yet for the last few weeks none of those items have appeared in Google Shopping results. Regular search isn’t my priority right now; I specifically need my products to surface in the Shopping tab again... (Budget: min ₹2500 INR, Jobs: Content Strategy, Conversion Rate Optimization, Data Analysis, Digital Marketing, Google Shopping, SEO, Shopify, Website Audit)