Clear file content cache in Visual Studio Code

I think, I understood correct. You can follow below steps.

1. Press Ctrl + Shift + P
2. type command Clear Editor History
3. Press Enter

It will solve your problem.

For me on macOS the following has worked:

1. Press Cmd + Shift + P
2. Type command Clear Search History
3. Press Enter

Then for the search results:

1. Press Cmd + Shift + P
2. Type command Clear Search Results
3. Press Enter