Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
communication cost » communication costs, communication costa, communications costs
13 communication » 3 communication, 1 communication, 10 communication
technologie und » technologies 2.1
und information » fund information, road information, award information
developing data » developing a, developing asia, developing east
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
data africa » ratha african, intra africa, baga african
content 1 » content _
cost 3.2 » cost 2.4
1 13 » 11 13, 12 13, 10 13

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

• Adding a wildcard symbol may retrieve word variants: technologie und information content 1 13 communication cost 3.2 developing data africa.*.