Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
technologien road » technologien ad, technologien und, technologien am
el communication » cell communication, real communication, 3 communication
3.4 developing » 13.4 developing, 3.3 developing, 3.2 developing
context data » kontext das
cost 3.4 » cost 2.4, cost 3.2, cost 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 road information context data el communication cost 3.4 developing _ africa.*.