IntelliJ is project based so you can only search within the open project using Ctrl + Shift + F(Windows) or Cmd + Shift + F(Mac).
When I need to search across a set of projects I use Agent Ransack
IntelliJ is project based so you can only search within the open project using Ctrl + Shift + F(Windows) or Cmd + Shift + F(Mac).
When I need to search across a set of projects I use Agent Ransack