Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologien ad » technologien am, technologien und, technologien als
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
ad information » d information, nd information, od information
developing 1 » developing _, developing a, developing e
contents a » contents 1, contents _, contents i
costs 12.4 » costs 11.4, costs 12.3, costs 2.4
a de » a die, a der, a des

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 a de communication costs 12.4 developing 1 africa.*.