Perhaps you should try some spelling variations:
technologien des » technologien fur, technologien und, technologies 2
de communication » mobile communication, online communication
developing areas » developing asia, developing east, developing a
des information » des informations, does information, dis information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
areas area » areas arenas, areas aida, areas africa
costs 2.2 » costs 4.2, costs 2.3, cost 2.2

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

• Adding a wildcard symbol may retrieve word variants: technologien des information contents _ de communication costs 2.2 developing areas area.*.