Perhaps you should try some spelling variations:
urban development » human development
5.4 communication » de communication, data communication
technologies co » technologies _, technologies 4, technologies 2
information 1.2 » information 1.5.2, information 2
co information » do information, 2 information, 1 information
development do » development doi, development d, development ds
costs urban » cost urban, across urban, crisis urban
do african » two african, _ african, 1 african

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

• Adding a wildcard symbol may retrieve word variants: technologies co information 1.2 _ 5.4 communication costs urban development do african.*.