Perhaps you should try some spelling variations:
1.4 communication » 5.4 communication, 1.1 communication, 1.3 communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
development 2.3 » development 2.1, development 1
contents 10 » contents 1, contents 0, contents 19
2.3 africa » 2.3 african, 4.3 african, 217 africa
10 1.4 » 10 1.2, 10 1.5, 14 1.4

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

• Adding a wildcard symbol may retrieve word variants: technologien als information contents 10 1.4 communication costs _ development 2.3 africa.*.