Hello itoldyousoandso,
Welcome to Apple Support Communities.
We understand that when you use Search on your iPhone that it is not providing any results. We are happy to help.
These steps may help. Many times restarting can resolve many concerns. Please use the steps here to restart your iPhone: Restart your iPhone - Apple Support
"How to restart your iPhone X, 11, 12, 13, or later
- Press and hold either volume button and the side button until the power-off slider appears.
- Drag the slider, then wait 30 seconds for your device to turn off. If your device is frozen or unresponsive, force restart your device.
- To turn your device back on, press and hold the side button (on the right side of your iPhone) until you see the Apple logo."
Once your iPhone has fully restarted, please use the steps here to use Search: Use Search on your iPhone, iPad, or iPod touch - Apple Support
"Change search settings
You can change the search settings to limit which apps and results appear while you're searching. Here's how:
- Go to Settings and tap Siri & Search.
- Scroll down and select an app.
- Then select Show App in Search, Show Content in Search, Show on Home Screen, Suggest App, or Suggest Notifications.
To turn off Siri Suggestions for all apps, go to Settings > Siri & Search, and turn off the settings you want."
Are you provided the search results that you expected? Let us know if you have further questions.
Take care.