Perhaps you should try some spelling variations:
calle communication » called communication, scale communication, value communication
communication cross » communication costs
urban development » human development
technologien 2 » technologies 2, technologien _, technologien 1
information a » information age, information about
development l » development li, development 1, development law
cross urban » across urban, crisis urban, cairo's urban
l afrique » en afrique
de calle » de walle, we called, de cause
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologien 2 information a de calle communication cross urban development l afrique.*.