Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
me communications » mce communications, 10 communications, 14 communications
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing east » development east, developing a, developing asia
centers help » centers hold, centers real
4 developing » 3 developing
east africa » west africa
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien des information centers help me communications costs 4 developing east africa.*.