Perhaps you should try some spelling variations:
technologien als » technologien des, technologien fur, technologien und
12 communication » 1 communication, 10 communication, 13 communication
als information » als informations, aids information, laws information
developing em » developing e, developing eq, developing amp
3 developing » 3 development
contents 21 » contents 2.1, contents 1, contents 01
em africa » 1 africa
costs 3 » costs _, costs 4, costs a
21 12 » 21 22, 11 12, 21 1

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 21 12 communication costs 3 developing em africa.*.