20 years old girl, looking for accomodation in Amserdam Zuidost

Hello , I am Doina Coceban and this year I will study at HVA university and I need a room to stay for a quite long time begining from the half of august.In Amsterdam, I will come on 12th August. I'm up for shared flats and it will be nice if the flat will be situated in amsterdam zuidoost. My budget is around 500.
A little bit about me : I am 20 years old student from Moldova who will study IBL at Hva university. Beside english language I know romanian of course, russian, and a little Deutsche.Towards that I am a very friendly, open-minded, responsible and neat person. If there is something available please let me know.