We need to see a log of that if the search function isn’t working.
I believe content needs to be added to the library for the search to work.
There’s already some information about changing keyboard layout here: [BUG REPORT] Danish Hardware Keyboard layout not working - #79 by grahamh. We will add support for doing this within Kodi soon. Some changes are needed to Kodi to add this support; so it is taking a little longer than expected.
Sam