The TV program, "Talk Vietnam", is helpful to you.

Tuổi thanh xuân Forever Young Vietnamese - Korean Collaboration Drama:http://www.dailymotion.com/video/x33cfnd_eng-sub-episode-01-tu%25E1%25BB%2595i-thanh-xuan-forever-young-v-zone-kites-vn_shortfilms

Horror film: 49 ngày(49 days)

https://youtu.be/Mei49gqJs04

Short film: My Sunshine 

https://youtu.be/PeMgD9ioJ7g

[Short film] Mùa Hè Tuổi Mười Bảy - Seventeenth Summer - B Trần

https://youtu.be/7CqmZ4DYjAs

It will take you some work, but search YouTube videos that are made by Vietnamese who live in Vietnam. I've seen some.

Lucky you.  This one has some Vietnamese https://www.youtube.com/watch?v=K-Ziygsn2Xg

Hi, 

You can search videos on Tedtalk which is available with many languages subtitle in each video.