Perhaps you should try some spelling variations:
scale communication » scales communication, space communication, style communication
communication 3.3 » communication _, communication a, communication 1
technologies 2 » technologies _, technologies 4
exchange 2.5 » exchange 2.53, exchange 9.5, exchange 2.2
3 developing » 3 development
developing l » developing l2, developing _, developing a
2.5 scale » 2.1 scale, 2.2 scale, 2.4 scale
l afrique » en afrique
3.3 3 » 3.3 3d, 3.3 _, 3.3 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 2.5 scale communication 3.3 3 developing l afrique.*.