use Google to search, and use telegrams to search for robots.

1. use Google search: open the Google search engine and enter the group topic or keyword of interest, such as "music telegraph group".

2. Search robots by telegraph: There are some search robots on the telegraph that can help find the group. For example, you can search for @ yisuosuoyin, @TeleTop123Bot or @hao1234bot robots in the telegram.