Perhaps you should try some spelling variations:
clean development » human development, urban development
technologies a » technologies _, technologies 4, technologies 2
information et » l'information et, information 2, information 1
a information » 2 information, 1 information
ice mass » ice masses, ice caps
et ice » et vice, et ische, text ice

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 information et ice mass communication media clean development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information et ice mass communication media clean development _ afrique.*.