Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
communication cost » communication costs, communication costa, communications costs
technologien der » technologien des, technologie der, technologien fur
der information » insider information, sector information, labor information
1 communication » 10 communication, 3 communication, 4 communication
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
content how » contents how, context how, content from
cost 3.2 » cost 2.4
how 1 » how _, how a, how i

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

• Adding a wildcard symbol may retrieve word variants: technologien der information content how 1 communication cost 3.2 developing _ africa.*.