Perhaps you should try some spelling variations:
urban development » human development
development case » development china
a communication » la communication, data communication, data communications
technologies 2 » technologies _, technologies 4
de a » de la, de sa, der a
networks » network

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information _ de a communication networks urban development case afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information _ de a communication networks urban development case afrique.*.