Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien als » technologien des, technologien fur, technologien und
et communication » et communicatione, get communication, debt communication
als information » als informations, aids information, laws information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
contents how » content how, contents co, contents mot
developing a » developing _
a africa » 1 africa, can africa, em africa
how et » how etf, how eu, how best

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 how et communication cost 2.4 developing a africa.*.