Perhaps you should try some spelling variations:
communication mode » communication model, communication modes, communication module
technologies dans » technologies can, technologies any, technologies daf
clean development » human development, urban development
development urban » development bank, development band, development update
dans information » dns information, dis information, does information
urban africa » urban area
mode clean » more clean, made clear
about de » about due, about dead, about debt

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies dans information about de _ communication mode clean development urban africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies dans information about de _ communication mode clean development urban africa.*.