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 cpia » developing china, developing asia, developing cil
12 developing » 1.2 developing, 2 developing, 1 developing
context 4.3 » context 1.3, context 2.3, context 3
cost 12 » cost 1.2, cost 15, cost 3.2
4.3 de » 4.3 die, 4.3 der, 2.3 de

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 4.3 de communication cost 12 developing cpia africa.*.