Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
der communication » de communication, under communication, debt communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
developing cil » developing city, developing ai, developing ce
15 developing » 1 developing, 5 developing, 10 developing
contents 3 » contents 1, contents _, contents i
cil africa » cpia africa, can africa, china africa
cost 15 » cost 12, cost 5, cost 11.5
3 der » _ der, 2 der

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 3 der communication cost 15 developing cil africa.*.