The raw vegan diet is the most nutrient-rich diet on the planet, but you need to ensure you're receiving every essential nutrient. There are over 50 nutrients our body cannot make and they must be eaten in foods. If these nutrients are missing, the body will eventually experience symptoms of disease.
The first step is to enter your daily diet into http://www.fitday.com. Fit Day will tell you which nutrients you're low in.
Step two is to head over to Nutrition Data to find out which foods contain these nutrients: http://www.nutritiondata.com/nutrient-search.html.