Translation of heterogeneous in German

Thanks for the advice but I know this web site. I'm always open to suggestions. Tell me how can I help you with the correct form of words. This is very important owing to the feedback.
Our bus was completely full and we were the only Europeans on our tour. There were also Americans and people from South Korea. The driver took us to a place called Tam Coc. He drove like an idiot.
Instead, we gave him one of our Swiss chocolates as a gift so he would leave us alone. It worked: the boy went to the couple sitting next to us and tried to sell our Swiss chocolate for 2 Pesos.