When conducting research or investigating a topic, it is crucial to use a variety of words and phrases to avoid repetitive language and broaden your search for information. "Searches into" can be replaced with synonyms such as "examines," "probes," "delves into," "explores," "scrutinizes," "investigates," "analyzes," "studies," "looks into," or "researches." These words all convey the act of searching for answers or information in a more dynamic and diverse way. By using synonyms for "searches into," you can increase the clarity, depth, and variety of your writing.