Perhaps you should try some spelling variations:
lea's communication » mass communication, crisis communication, leadership communication
developpement de » developpement des, developpement durable
information 3.3 » information 3.2, information 3.4, information 3.5
l developpement » le developpement, de developpement, et developpement
technologies 2 » technologies _, technologies 4
die lea's » die laus, die less
media l » media _, media 1, media 3

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 3.3 die lea's communication media l developpement de l'afrique.*.