Perhaps you should try some spelling variations:
urban development » human development
a communication » la communication, data communication, data communications
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
flows de » flows do, flows debt, flows bei
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 a information flows de a communication networks urban development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information flows de a communication networks urban development _ afrique.*.