Perhaps you should try some spelling variations:
information service » information services, information security
das communication » mass communication, c's communication, lea's communication
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
1 developing » 3 developing, 4 developing, 2 developing
developing a » developing _
service 3.7 » services 3.7, service 3.3, service 3.5
a africa » 1 africa, can africa, em africa
3.7 das » 1.7 das, 2.7 das, 4.7 das
costs 1 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information service 3.7 das communication costs 1 developing a africa.*.