Find rooms for student couples

We two are students in Aalen University,we are couples,the lady is 23,the guy is 26, we both majored in Mechanical Engineering and come from China. We want to find rooms near the university,at most 30 min by foot. The room at most cost 300 Euro included every cost. We need public kichen ,bathroom, shower and refrigerator. We don't smoke,we are quiet,clean and friendly. It is ok for us if others smoke in their own rooms. We can bring some dishes and some electric equipments to you.If you only have one room, we two can share it together and pay more than one room cost.we will live from 1st Mar 2014 to 30th Sep 2014. we can speak English and a little German.