Perhaps you should try some spelling variations:
clean development » human development, urban development
technologies co » technologies _, technologies 4, technologies 2
information age » information storage, information access, information about
co information » do information, 2 information, 1 information
costs clean » costs clear
a afrique » l afrique, en afrique
de mass » de masse, de mais, de masa
age de » page de, stage de, image de

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

• Adding a wildcard symbol may retrieve word variants: technologies co information age de mass communication costs clean development a afrique.*.