1, you can refer to traditional literature and go to the library to find it; You can go to HowNet to find the literature, and enter the title of the literature in the classified catalogue or retrieval area of China HowNet official website to find the required literature.
2. You can search on VIP, and enter the document name or keyword in the search area on the home page; You can also click Advanced Search next to Wanfang's homepage to search.