Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
der communication » de communication, under communication, debt communication
technologie und » technologies 2.1
und information » fund information, road information, award information
developing iv » developing av, developing ict, developing cil
contents 3.2 » content 3.2, contents 3.1, contexts 3.2
4 developing » 3 developing
iv africa » v africa, 1 africa, em africa
3.2 der » 2.2 der
cost 4 » cost _, cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologie und information contents 3.2 der communication cost 4 developing iv africa.*.