Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
technologien des » technologien fur, technologien und, technologies 2
de communication » mobile communication, online communication
des information » des informations, does information, dis information
developing em » developing e, developing eq, developing amp
2 developing » 3 developing, 4 developing, 2 development
context 3.1 » context 2.1, context 1, context 1.3
em africa » 1 africa
3.1 de » 3.1 die, 3.1 der, 3.1 def
cost 2 » cost 12, cost _, cost 4

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

• Adding a wildcard symbol may retrieve word variants: technologien des information context 3.1 de communication cost 2 developing em africa.*.