Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
get communication » et communication, debt communication, de communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing em » developing e, developing eq, developing amp
contents 8.1 » contents 3.1, contents 5.1, contexts 8.1
em africa » 1 africa
cost 3.2 » cost 2.4
8.1 get » 5.1 get

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information contents 8.1 get communication cost 3.2 developing em africa.*.