Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
cell communications » cell communication, health communications, rural communications
technologien fur » technologien des, technologien und, technologies 2
10.4 developing » 1.4 developing, 12.4 developing, 10.3 developing
formal context » formal contexts, formal concept, formats content
developing a » developing _
context how » content how, context has, context he
fur formal » your formal, fur formen, zur formalen
costs 10.4 » costs 10.6, costs 11.4, costs 12.4
how cell » how well, how ceos, how cern
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologien fur formal context how cell communications costs 10.4 developing a africa.*.