Perhaps you should try some spelling variations:
information problems » information providers, information systems, information policy
urban development » human development
development class » development case, development cross, development cases
technologien fur » technologien des, technologien und, technologies 2
et communication » et communicatione, get communication, debt communication
fur information » zur information, fair information, your information
communication 1 » communication _, communication a, communication 3
class african » glass african, class americans, across african
problems 2 » problems _, problems 3, problems a
1 urban » 2 urban, 4 urban, 3 urban
2 et » 2 set, 12 et, 2 ets

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information problems 2 et communication 1 urban development class african.*.