How to get the Google search bar back on a Samsung phone
This tutorial will show you step by step how to get the Google search bar back on the home screen on a Samsung phone.
The steps on this page work for all Samsung phones with Android 7, 8, 9, and 10.
How to put the Google search bar back on the home screen on a Samsung phone
1. Make sure there's enough space for the Google search bar on your phone's home screen.

2. Long press (tap and hold) on an empty space on your phone's home screen until you see the Widgets option.
3. Tap on Widgets.

4. Find the Google widget and tap on it.

5. Long press (tap and hold) on the Google search bar.

6. Drag the search bar to where you want it to appear on the home screen.
7. Tap on an empty space on the home screen.

The Google search bar is now back on the home screen.
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References:
YouTube: How to get the Google search bar back on a Samsung phone