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
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
areas area » areas arenas, areas aida, areas africa
costs 7.3 » costs 2.3, costs 4.3, costs 5.3

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 7.3 developing areas area.*.