Many of the request threads for font support have been marked as "in progress" this year so hopefully there will be good news about that soon.

Until then, the workarounds are described here:

http://help.videoscribe.co/support/discussions/topics/11000009315

http://help.videoscribe.co/support/solutions/articles/1000033724-write-with-non-western-text-characters

-Mike (videoscribe user)