Perhaps you should try some spelling variations:
communication 23.3 » communication 2.3.3, communication 3.3, communication 2.3
dem developpement » de developpement, des developpements, le developpement
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
rate space » state space, trace space, safe space
de afrique » de l'afrique, en afrique, l afrique
space de » espace de, space die, space dead
23.3 dem » 2.3 dem, 3.3 dem, 2.3.3 der

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation rate space de communication 23.3 dem developpement de afrique.*.