Perhaps you should try some spelling variations:
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
4 communication » 3 communication, 5.4 communication, de communication
contents parte » contents part, contexts part, content part
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
costs 2.3 » costs 4.2, costs 4.4
parte 4 » partie 4, parte i, parte 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 parte 4 communication costs 2.3 developing _ africa.*.