Translation of oblongo

A bystander who watched the entire scene all the time decided to help me. He was an older man, around seventy, but nonetheless he went to the oldest of these kids and slapped him. The boy was sixteen.
One could see in every touristic site and traveler's office advertisement for language schools and private teachers. The teachers usually gave the CV with an nice picture of themselves. It looked funny.
2 hours later we landed in Hanoi, today's capital. After picking up our bags we started to look for a room to sleep in. The information desk did not really help us so we relied on the Lonely Planet guide.