Hi :) i'm looking room or small apartment in Cologne

Hi:) !! how are you?
My name is Tomas Lopez Piazza I'm 27 years old and I'm from Argentina., i'am looking for accommodation in Koln for two persons, me and my girfriend Magdalena
We both apply for a work visa and a vacation. i going to Koln the next 12th of july and my girlfriend will arrive a three weeks later
we are both university students in argentina and momentarily we decided to go to germany for a year
we are both passionate about traveling and learning about new cultures.
Whenever possible, we're looking for long-term rent, if not, in the short term. The accommodation must allow us to carry out the Anmeldung.
We look forward to your answer
thanks for your time
Tomas & Magdalena