Perhaps you should try some spelling variations:
el communication » cell communication, real communication, 3 communication
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
contents data » context data, contents a, contents fase
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
data el » data e, data en, data era

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information contents data el communication costs 3.2 developing _ africa.*.