download font from
https://www.google.com/get/noto/#sans-kore
install them
- unzip file
- mkdir -p /usr/share/fonts/truetype/notoSansCjkKr-google
- cp unzipped files to /usr/share/fonts/truetype/notoSansCjkKr-google/
sudo fc-cache -f -v
restart program or relogin