Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien road » technologien ad, technologien und, technologien am
de communication » mobile communication, online communication
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
contents das » contents data, contents fase, contents maps
developing 1 » developing _, developing a, developing e
das de » das der, das dem, das den

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

• Adding a wildcard symbol may retrieve word variants: technologien road information contents das de communication cost 2.4 developing 1 africa.*.