Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
technologies key » technologies any, technologies know, technologies _
information 13.2 » information 3.2, information 1.2, information 15.2
developpement il » developpement de, developpement et, developpement du
key information » energy information
13.2 fires » 13.2 first, 13.2 birds, 3.2 fire
il afrique » l afrique, en afrique
mass » maps

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

• Adding a wildcard symbol may retrieve word variants: technologies key information 13.2 fires mass communication a leur developpement il afrique.*.