: If Telegram's internal search is not returning what you need, third-party catalogs like TGStat or TelegramChannels.me allow you to search for channels by category or specific keywords.
: If you are already in a channel and looking for a specific file (like "Sidemp4"), tap the channel name, then the three-dot menu (or search icon), and type your keyword. This narrows results to only that channel's history. Snu03b1_Search Telegram Channel _Sidemp4
: When viewing a channel's profile, you can switch to the "Files" or "Media" tabs to see a list of all documents and videos (including .mp4 files) without scrolling through messages. Advanced Discovery Tools : If Telegram's internal search is not returning