Translation of know-how in German

In addition, two woman were singing songs taken from Vietnamese theater. Again, I don't exactly recall what it was all about, but it seems boring and unimportant from today's point of view.
I speak English but it is not good and i know that. Well tell something about you? Can i have your email address because if we chat a little I am sure we can both learn some nice language skills.
I think I have to switch back to English. It will take me two years until I write an entire letter in German and I suppose I do not have the time for it. Does that mean that I am not serious about learning?