Perhaps you should try some spelling variations:
communications networks » communication networks, telecommunications networks, telecommunications network
urban development » human development
technologies new » technologies _, technologies a
information laws » information law, information flows, information gaps
a communications » _ communications, a communication, _ communication
new information » _ information, energy information, chief information
de a » de la, de sa, e a

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

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