The phrase "going over with fine tooth comb" is often used to describe a thorough and meticulous examination of something with the aim of finding any potential issues or problems. However, there are a number of synonyms that can be used to convey this same meaning, including "scrutinizing," "inspecting," "checking," "combing through," "investigating," and "parsing." These synonyms all share a similar sense of thoroughness and attention to detail, emphasizing the importance of leaving no stone unturned when it comes to ensuring that something is free of errors or oversights. Whether discussing a project, a report, or a piece of writing, using these synonyms can help convey the importance of examining something in detail.