How to say wishes like Merry Christmas, Happy New Year.... in Vietnamese language

Dear greatest language learners,

This is a special time, for Christmas time, New Year time.... So how do you say the best words which make yourself and your friends feel happy and feel more exciting? I have made a complete but very short, fit video about this. Please enjoy the video and say the best words to your friends in Vietnamese language for the Holiday time here: 

https://www.youtube.com/watch?v=MgOSSjtEmuk

Best wishes for your new year and time!!!

Nguyen The Vu