Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
communication cost » communication costs, communication costa, communications costs
get communication » et communication, debt communication, de communication
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
3.4 developing » 13.4 developing, 3.3 developing, 3.2 developing
developing ce » developing e, developing ict, developing cil
content das » content data, content does, content mdls
ce africa » de africa, care africa, use africa
cost 3.4 » cost 2.4, cost 3.2, cost 3.5
das get » das gebot, das gute, das geld

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information content das get communication cost 3.4 developing ce africa.*.