fcitx-zhuyin software package provides Fcitx wrapper for Zhuyin library, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fcitx-zhuyin
fcitx-zhuyin is installed in your system.
Make ensure the fcitx-zhuyin package were installed using the commands given below,
$ sudo dpkg-query -l | grep fcitx-zhuyin *
You will get with fcitx-zhuyin package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Utilities |
| Package | fcitx-zhuyin |
| Version | 0~20150911-4 |
| Description | Fcitx wrapper for Zhuyin library |
| Sub Section | Utils |