When it comes to exploring a topic thoroughly, it's often necessary to go into details. However, repeating the same phrase over and over again can bore your readers or listeners, causing them to lose interest. Instead, you can use a variety of synonyms to convey the same idea. Some of these include delving deeper, exploring extensively, examining minutely, scrutinizing intricately, dissecting thoroughly, analyzing in detail, investigating in depth, and poring over. These synonyms not only add more variety to your writing or speech but also show your audience that you're committed to providing a comprehensive understanding of the subject matter.