Telegram's native search is notoriously inefficient for East Asian languages due to its reliance on space-based tokenization, making it nearly unusable for continuous scripts like Chinese and Japanese.

As a result, third-party search bots have become the go-to solution. By simply initiating a bot and entering keywords, users can leverage specialized indexing databases to find specific channels and groups, bypassing the constraints of the official search engine.

For more: https://github.com/tresmono/Telegram-Bots