Hi Essid,
Welcome to Q&A Forum; this is a great place to get support, answers, and tips.
Thank you for posting your question; I'll be more than glad to help you out.
This forum doesn't support questions about certifications and exams. There is another forum (Microsoft Training Support) for this. Please ask there.
https://trainingsupport.microsoft.com/en-us/newthread?threadtype=Questions&forum=mcp
My personal answer to your question... it depends on the description of your MVTD; as you already experienced, it has to be noted at that specific course that you will get a voucher... normally (in the past), Microsoft only gifted you a voucher for those "Fundamental" training. If that MVTD appointment doesn't say anything about a voucher... you won't get a voucher. ;-)
I hope my answer is helpful to you,
Your
Bjoern Peters
If the reply was helpful, please upvote and/or accept it as an answer, as this helps others in the community with similar questions. Thanks!