Perhaps you should try some spelling variations:
clean development » human development, urban development
technologies can » technologies a, technologies co, technologies _
can information » von information, von informationen
information et » l'information et, information 2, information 1
systems clean » systems can, system clear, systems jean
a afrique » l afrique, en afrique

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 et de _ communication systems clean development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies can information et de _ communication systems clean development a afrique.*.