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

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 basin area.*.