you can set keyboard shortcuts within the Visual Studio Code Shortcut Editor, as described here: https://code.visualstudio.com/docs/configure/keybindings

The link above also describes troubleshooting shortcuts: https://code.visualstudio.com/docs/configure/keybindings#_troubleshooting-keyboard-shortcuts

At the time of writing, to open the Keyboard Shortcuts editor, select the File > Preferences > Keyboard Shortcuts menu, or use the Preferences: Open Keyboard Shortcuts command (Ctrl+K Ctrl+S) in the Command Palette.