Perhaps you should try some spelling variations:
communications network » communications networks, communication network, communication networks
mass communications » mass communication, data communications, a communications
urban development » human development
development case » development bank, development a, development aid
technologies a » technologies _
a information » _ information, land information, award information
network urban » network area
de mass » does mass, ice mass

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