Perhaps you should try some spelling variations:
23 communication » 2.3 communication, 3 communication, 13 communication
et developpement » de developpement, le developpement, test development
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
4.2 der » 2.2 der, 3.2 der
der 23 » der 24, der 25, der 20
3 et » 13 et, 3 fet, 3 set

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 4.2 der 23 communication 3 et developpement l afrique.*.