when using control +F on Gnome using thunar i do see a search box it could be an issue with the keyboard shortcut mapping in the Desktop Environment. I tested this on a fresh install of 20.04 LTS version of Ubuntu Linux OS.
** Attachment added: "search box when using ctrl+F" https://bugs.launchpad.net/ubuntu/+source/xubuntu-default-settings/+bug/1906240/+attachment/5451344/+files/case%201906240%20%20ubuntu%20bugs.PNG -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1906240 Title: File -> Find in this folder: add shortcut: Ctrl+f To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xubuntu-default-settings/+bug/1906240/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs