Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
technologies does » technologies new, technologies icts, technologies annex
clean development » human development, urban development, child development
does information » do information, dis information, debt information
development en » development menu, development can, development _
network clean » network area, network creation
flows de » flows do, flows debt, flows _

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies does information flows de _ communication network clean development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies does information flows de _ communication network clean development en afrique.*.