Perhaps you should try some spelling variations:
les developpement » le developpement, des developpements, leur developpement
technologies key » technologies any, technologies know, technologies _
key information » energy information
des afrique » en afrique, de l'afrique
about 3 » about _, about a, about 2
a les » a lens, a less, 2 les

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies key information about 3 risk communication a les developpement des afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies key information about 3 risk communication a les developpement des afrique.*.