Perhaps you should try some spelling variations:
urban development » human development
technologies co » technologies _, technologies 4, technologies 2
4 communication » 3 communication, 5.4 communication, de communication
co information » do information, 2 information, 1 information
information zu » informationen zu, information 2, information 3
costs urban » cost urban, across urban, crisis urban
zu 19 » zu 1, zu 14, zu 10
19 4 » 19 _, 19 a, 1 4

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

• Adding a wildcard symbol may retrieve word variants: technologies co information zu 19 4 communication costs urban development 1 africa.*.