Perhaps you should try some spelling variations:
technologien des » technologien fur, technologien und, technologies 2
de communication » mobile communication, online communication
des information » des informations, does information, dis information
information 3 » information 2
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
2 areal » 2 real, _ areal, 4 areal
2 areas » 1 areas, 4 areas, 2.1 areas
3 aims » 2 aims, _ aims

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologien des information 3 aims de communication costs 4 developing ((2 areal) OR (2 areas)).~".
• Adding a wildcard symbol may retrieve word variants: technologien des information 3 aims de communication costs 4 developing ((2 areal) OR (2 areas)).*.