Perhaps you should try some spelling variations:
technologien als » technologien des, technologien fur, technologien und
de communication » mobile communication, online communication
als information » als informations, aids information, laws information
information und » informations und
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
developing 2 » developing _, developing a, developing e
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
2 areas » 1 areas, 2 areal, 4 areas
die de » die die, die der, die den

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

• Adding a wildcard symbol may retrieve word variants: technologien als information und die de communication costs 4.1 developing 2 areas.*.