1. Try using other search engines: Besides bing search, there are many other search engines, such as Google, Baidu, sogou, etc. You can try to search for relevant information on other search engines.
2. Change the search keyword: If the search keyword you use has no waiting list, you can try to change the search keyword and use other related keywords to search for relevant information.
3. Find relevant information manually: If you can't find relevant information through the search engine, you can try to find relevant information manually, such as querying relevant papers, books, patents and technical documents.
4. Consult experts and peers: If you have experts and peers in the research field, you can ask them if they know the relevant information or seek their advice and help.