Perhaps you should try some spelling variations:
space communication » face communication, scale communication, spain communications
lehr developpement » leur developpement, le developpement, de developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
de afrique » de l'afrique, en afrique, l afrique
3 lehr » 3.2 lehr
3.2 1 » 3.2 _, 3.2 a, 3.0 1

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 3.2 1 space communication 3 lehr developpement de afrique.*.