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

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

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