Perhaps you should try some spelling variations:
technologies energy » technologies new, technologies any
communication most » communication costs, communication mode, communications costs
urban development » human development
la communication » _ communication, mass communication, oral communication
development bank » development _
bank africa » bank's africa, can africa, urban africa
most urban » cost urban

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies energy information _ de la communication most urban development bank africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies energy information _ de la communication most urban development bank africa.*.