Perhaps you should try some spelling variations:
information space » information search, information service, information science
communications 5 » communications _, communications a, communications pt
zu developpement » du developpement, au developpement, ou developpement
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
space 3.1 » space 2.1, space 3.2, space 3.3
3.1 data » 2.1 data
5 zu » 5 zur, 5 zum, 2 zu

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information space 3.1 data communications 5 zu developpement de afrique.*.