Perhaps you should try some spelling variations:
information kontext » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
technologies 1 » technologies _, technologies 4, technologies 2
kontext die » kontext der, kontext des, kontext einer
cost 12.4 » coast 12.4, costs 12.4, cost 2.4
die de » die die, die der, die den

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information kontext die de communication cost 12.4 developing _ africa.*.