Perhaps you should try some spelling variations:
communications network » communications networks, communication network, communication networks
urban development » human development
technologies new » technologies _, technologies 4, technologies 2
new information » 2 information
network urban » network area
a afrique » l afrique, en afrique
gap de » gap die, cap de, gap d

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 gap de _ communications network urban development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information gap de _ communications network urban development a afrique.*.