Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
communication cost » communication costs, communication costa, communications costs
set communication » et communication, get communication, debt communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
developing city » developing cities, developing data, developing high
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
city africa » china africa, cults africa
content 1 » content _
1 set » _ set, a set, 2 set

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

• Adding a wildcard symbol may retrieve word variants: technologien als information content 1 set communication cost 2.4 developing city africa.*.