Perhaps you should try some spelling variations:
communication 6.2 » communication 3.2, communication 3.3, communication 2
development lid » development led, development li, development lie
technologies 2 » technologies _, technologies 4
lid afrique » l afrique
exchange 3 » exchange _, exchange a, exchange 4
3 mass » a mass, 1 mass, 3 maps
6.2 a » 6.2 _, 2.2 a, 3.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information exchange 3 mass communication 6.2 a development lid afrique.*.