In the past, SEO experts used direct submissions and SEO tools to get links. These outdated tools and tactics are no longer useful. In fact, a few of the old techniques can actually attract penalization from Google. Today, most webmasters are well versed with the advanced SEO tactics to find link-building opportunities but analyzing these activities through Google Search is a whole new ball game. To remain on top of this game, you need to be well-versed with the search operators. Here are a detailed guide on advanced search operators for SEO link building-
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https://seooptimizers.com/advanced-search-operators-for-seo-link-building-infographic