Perhaps you should try some spelling variations:
23 communication » 2.3 communication, 3 communication, 13 communication
communication 18 » communication 1, communication 10, communication 11
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
4.2 der » 2.2 der, 3.2 der
der 23 » der 24, der 25, der 20
18 le » 18 les, 10 le

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 18 le developpement de afrique.*.