Try following these steps:
1. Connect the Chromecast to the HDMI input of your projector.
2. Power the Chromecast using a USB cable connected to a power source.
3. Connect both your phone and the Chromecast to the same Wi-Fi network.
4. Install the Google Home app on your A33 5G phone.
5. Open the Google Home app and set up the Chromecast following the on-screen instructions.
6. Once set up, you can cast content from your phone to the projector using the Chromecast, by tapping the cast icon in supported apps.