1. wechat official account history message: open the history plus wechat official account, and slide down to browse the history message record. If these articles still exist in the background of the official WeChat account, you should be able to find the previously published articles.

2. Internet search: Use search engines (such as Baidu and Google) to search for the article titles or keywords of official WeChat accounts in History plus. Previously, the articles of WeChat official account were reprinted or archived by other websites or blogs. You can try to find links to related articles in the search results.

3. Other platforms or social media: Check whether the official account of History Plus WeChat has published articles with the same content on other platforms or social media such as Weibo, Zhihu and Douban. The official WeChat account will also be published across platforms on other platforms.