Perhaps you should try some spelling variations:
clean development » human development, urban development
technologies care » technologies case, technologies art, technologies can
care information » more information, change information, trade information
information case » information based, information can, information costs
costs clean » costs clear
a mobile » _ mobile
case a » case 1, case 2, case 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies care information case a mobile communication costs clean development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies care information case a mobile communication costs clean development _ afrique.*.