Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien des » technologien fur, technologien und, technologies 2
developing asian » developing asia, developing human, developing areas
des information » des informations, does information, dis information
information 3 » information 2
4 developing » 3 developing
asian area » asian free, asian age, asian arab
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 3 a personal communication costs 4 developing asian area.*.