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 2 » information 3
der personal » der personalen, der personen, der person
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
2 der » _ der
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 2 der personal communication costs 4 developing basin area.*.