Perhaps you should try some spelling variations:
oral communication » personal communication
clean development » human development, urban development
l'information et » formation et
a l'information » de l'information, a l'innovation, pour l'information
technologies a » technologies _, technologies 4, technologies 2
development en » developpement en, development menu, development eco
de oral » de otras, new oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a l'information et de oral communication _ clean development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a l'information et de oral communication _ clean development en afrique.*.