I am not very good at English. This time I just want to remind you of some grammar rules, like
"for + verb(ing)(gerund)". Hope this helps, and it's to meet you.

Thank you for givegiving me a chance to make dream come true.
Thank NIVR and the other department for support supporting and take taking care of me. I will be waiting until that day

.....

I have a good experience to teach me for grow up in the future.(do you mean you grew up in this great experience?)

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Thank you for ......

I'm so very happy for one month in Hanoi.

Thank you for give me a chance to make dream come true.
Thank NIVR and the other department for support and take care me.
Thank you everybody this I known in Hanoi.
I have a good experience to teach me for grow up in the future.

I hope to see everybody again.

I will waiting until that day

Miss you Hanoi :)

please help me to correct
Thak you