1. Enter keywords in search engines: use search engines (such as Google and Baidu). Enter the keyword "zombie" and you can get all kinds of information, articles, news and videos related to zombies.

2. Online forums and communities: Participate in online forums and communities related to zombies, such as the zombie section of Reddit or other forums devoted to terrorist topics. These places can communicate with others, ask questions and share knowledge and experience about zombies.

3. Libraries and books: Go to the local library and look for books, magazines or academic journals related to zombies.