Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
technologien als » technologien des, technologien fur, technologien und
de communication » mobile communication, online communication
als information » als informations, aids information, laws information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing 1 » developing _, developing a, developing e
centers 3.2 » centers 2.2, centers 3.3, centers 3.8
3.2 de » 3.2 die, 3.2 der, 3.2 dem

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

• Adding a wildcard symbol may retrieve word variants: technologien als information centers 3.2 de communication cost 2.4 developing 1 africa.*.