For example its impossible to search for the game named "</reality>", I'm guessing due to the "html" stripping.
Same for the search bar on https://itch.io/b/1316/bundle-for-ukraine, although its a little better. It will find "reality", but won't find "</reality>". The search bar on the download page finds neither.
You can use Random Game Bundle at https://randombundlegame.com/?bundles=ukraine or my spreadsheet at https://docs.google.com/spreadsheets/d/1e1z2T8X21rZiTeOGPeEiIp0h7NjtWqAIoPFzPFd4...