Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
cuba communications » rural communications, china communications, libya communications
developing areas » developing asia, developing east, developing a
contents der » content der, contents je, contents key
3 developing » 3 development
areas africa » arabs africa, dress africa, farmers africa
der cuba » der kuba, der causa, der clubs
costs 3 » costs _, costs 4, costs a

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies _ information contents der cuba communications costs 3 developing areas africa.*.