The phrase "look through" can be replaced with a variety of synonyms, each carrying a slightly different connotation. "Scan" suggests a quick examination to find specific information, while "peruse" implies a more leisurely, detailed review. "Browse" suggests a casual inspection, often of many different objects or items. "Scrutinize" suggests a close inspection, often with a critical eye. "Examine" implies a more formal or scientific study, while "survey" suggests a comprehensive overview of a larger area or subject. Ultimately, the appropriate synonym for "look through" will depend on the context and purpose of the examination.