Perhaps you should try some spelling variations:
health communication » data communication
information centers » information contents, information officers
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
3.1 developing » 3.3 developing, 3.2 developing, 4.1 developing
centers 8.3 » center 8.3, centers 3.3, centers 4.3
8.3 health » 4.3 health, 2.3 health, 3.3 health
costs 3.1 » costs 3.5, costs 4.1, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologien des information centers 8.3 health communication costs 3.1 developing _ africa.*.