Ate at this place twice. First time, struggled with language barrier with the waitress. Fully appreciate I'm in a non-English speaking country but at the same time the restaurant has English advertising plastered everywhere outside, so think it's fair to expect the waitress to understand my questioning if certain items were vegan. Resorted to using the V-Cards app (free and highly recommended if you have a smartphone) The food was disappointing but gave it another go as Vang Vieng is not blessed with vegan choices.
Second time I had higher hopes as a woman who appeared to be in charge jumped in to the conversation when I asked the (same) waitress if the pumpkin burger was vegan. Despite the manager-figure confirming it was, it turned up with cheese on. Place has potential but if advertising is mostly in English they really should train staff to understand differences between veggie / vegan, or preferably mark vegan items on the menu.