Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing em » developing e, developing eq, developing amp
4 developing » 3 developing
contents je » contents key, contents 1, contents _
em africa » 1 africa
je data » e data, age data, cge data
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 contents je data communications costs 4 developing em africa.*.