Translation of oasis

The casa cost me around twenty dollars and the woman wanted extra five dollars for food and cooking. Money was an issue in this country because no one had any. It is a very poor nation with great people.
Sometimes this is an outcome of personal problems or incidents. For example, there could be a crime commited by someone of a certain origin. The consequence could be that the victims would blame an entire community.
On the way we visited many small hill tribe villages. The walk was through green, wet rice fields. We really enjoyed it. Our guide explained us about the region and taught us some Vietnamese.