You say "Viel Glueck und auf Wiedersehen."
Good luck -> "Powodzenia!"; Goodbye -> "Żegnaj".
In Cree, you can say "nitanis, acosin" to say goodbye and good luck to someone.
Goodbye - Tchau Good luck- Boa sorte
In Dutch, you can say "tot ziens en veel succes" for goodbye and good luck.
In Maori, "goodbye" is "haere rā" and "good luck" is "kia kaha."
Good luck with that = viel Glück damit
Good Luck - buena suerteGoodbye - hasta luego (See you later)adiós (goodbye)
To say "Goodbye" in Bavarian German you would say AufWiederschaun, in contrast to standard German which is simply Auf Wiedersehen.
"Viel Glück"
"au revoir et bonne chance"
Lah Gorn laa Dee Chohk
Viel Glück !