Perhaps you should try some spelling variations:
information needs » information networks
clean development » human development, urban development
la communication » data communication, data communications
development aid » development a, development africa, development agenda
technologies 2 » technologies _, technologies 4
networks clean » networks clay, networks learn, networks column

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information needs _ la communication networks clean development aid afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information needs _ la communication networks clean development aid afrique.*.