Translation of wundersam

Her students are using the software and learning with the website afterwards on a regular basis. She is very satisfied and she was kind and gave me your number, as she thought that it may interest you.
I almost forgot to tell you, that the water was brown, despite of its name... Anyway, as I was already close to my next destination I went and consulted with a tourguide of Austrian travelers.
On the way we visited many small hill tribe villages. The walk was through green, wet rice fields. We really enjoyed it. Our guide explained us about the region and taught us some Vietnamese.