The title Querverweis is the headline part of the search result and it can help people decide which search result to click. There are a few sources that Google uses to generate this title link, including the words inside the Chemisches element (also called the title Lyrics) and other headings https://elliotbbwpf.mybuzzblog.com/8277678/5-einfache-techniken-für-leistungsanalyse