Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information content » information contents, information centers, information centre
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing asia » development asia, developing a
3 developing » 3 development
asia africa » cpia africa, china africa
content 1 » content _
costs 3 » costs _, costs 4, costs a
1 data » 2.1 data, 3.1 data, 4.1 data

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

• Adding a wildcard symbol may retrieve word variants: technologien des information content 1 data communications costs 3 developing asia africa.*.