Well, Doman is mostly about making the most of the first six years of life because by the time a child is six, 90% of his brain is developed, and because during this time kids learn faster and easier than at any other time in their life.
However five is NOT to young to learn using Doman type teaching. Five-year-olds learn MUCH faster than eight-year-olds, and eight-year-olds learn much faster than fifteen-year-olds, and fifteen-year-olds learn much faster than forty-year-olds.
She will not be able to absorb information at the lightening speed of a two-year-old, so whatever you teach you may have to go a little slower and go back to it more often to help her remember, but she can still learn very quickly. She can easily learn foreign languages, music, reading, math, and encyclopedic knowledge, you will just need to go at a little slower pace.
Another thing I would HIGHLY recommend would be the How to Teach Your Baby to Be Physically Superb by Glenn Doman. If she has any developmental problems, than the physical activities described in this book will help her immensely. She is NOT over the hill for this one - I know of programs for teenagers and adults alike that involve physical activities, such as crawling, tumbling, running, and brachiating that can help you at ANY age. Physical movement rewires the brain - it is SO important to intelligence. Learning disabilities have been cured, attention problems, stress, social problems, etc.
Here are some websites that use physical activity to develop your child’s brain:
http://www.parentswithpurpose.com/approach/approach.htm this is a very good description of why physical activity is so important
http://www.playwisely.com/ is a sort of baby gym type thing, but they have great videos on here about why physical movement is important
These websites are just an introduction but if you want to learn about physical activities you can do with your child, I heartily recommend the book by Doman - it tells you everything that YOU can do AT HOME with very little supplies and finances.
You also might want to look into What to Do About Your Brain-Injured Child by Glenn Doman. I’m pretty sure that they have information about detoxifying, which if your child has been vaccine injured is a must. It may also help you recognize any other neurological problems that may have resulted from the vaccines.
I hope this helps! God bless you and your daughter I hope that you find all the information you need to help her reach her potential.