Perhaps you should try some spelling variations:
clean development » human development, urban development
technologies can » technologies a, technologies co, technologies _
information flow » information flows
la communication » data communication, data communications
can information » von information, von informationen
flow do » flows do, flow how, flow der
a clean » _ clean, a clear
do la » do lay, de la

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

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