Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information centre » information centers, information contents
de communication » mobile communication, online communication
technologie und » technologies 2.1
und information » fund information, road information, award information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing can » developing a, developing ai, developing av
centre 3.3 » centre 2.3, centre 3.2, centres 5.3
can africa » urban africa
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
3.3 de » 3.3 die, 3.3 der, 3.3 dem

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

• Adding a wildcard symbol may retrieve word variants: technologie und information centre 3.3 de communication cost 2.2 developing can africa.*.