Perhaps you should try some spelling variations:
information databases » information database, information table, information data
water communication » master communication, matter communication, layer communication
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
databases 2.2 » database 2.2, databases 2.1, databases 2.3
de afrique » de l'afrique, en afrique, l afrique
2.2 water » 3.2 water
3 des » 3 der, 3 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information databases 2.2 water communication 3 des developpement de afrique.*.