Perhaps you should try some spelling variations:
information security » information society, information sharing
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
security survey » security series, security services, security security
1 communication » 10 communication, 3 communication, 4 communication
communication 2 » communication _, communication a, communication 3
de afrique » de l'afrique, en afrique, l afrique
survey 1 » survey _, survey 3, survey 2.1
2 des » 2 der, 2 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 security survey 1 communication 2 des developpement de afrique.*.