Translation of durchfallen

I expect it towards the weekend. Will you by any chance be in Switzerland in the week from June 15 to June 19? Most importantly, I will ask you to send me your homework so that I can correct it.
Unfortunately, it is a natural and eternal phenomenon of human beings. Whereever people have been, it appeared too. Please let me define racism in my next email to you and please share also your thoughts.
I looked at the street name and saw that we were at the right hotel but on the wrong street. That is when I suspected that there were several hotels with the same name, one original and the rest copycats.