Whilst you are waiting for the fabled Vietnam issue, I'd like to point you in the direction of this great little Kickstarter:
Although Laotian-focussed it overlaps with Cthulhu by Arclight. Looking through the creatures some are similar to Vietnamese creatures, and some are brand new.
Well worth a look for inspiration, especially the ghost noodle seller looking for her killer.
We've been playing around with layout, realising that we haven't edited the articles we have enough before layout, and are still having ongoing discussions between us about missing articles and how to fill them, whilst others are trying to finish off articles long promised.
The project is moving forward, albeit slowly.