Perhaps you should try some spelling variations:
data communication » data communications
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
contents 4.1 » contents 3.1, contexts 4.1, contents 5.1
costs 12.4 » costs 11.4, costs 12.3, costs 2.4
4.1 data » 2.1 data, 3.1 data

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

• Adding a wildcard symbol may retrieve word variants: technologien und information contents 4.1 data communication costs 12.4 developing _ africa.*.