Perhaps you should try some spelling variations:
information search » information sharing, information service, information sources
communications 5 » communications _, communications a, communications pt
zu developpement » du developpement, au developpement, ou developpement
developpement en » developpement et, developpement des, developpement de
search 3.1 » research 3.1, search 4.2, search 4.3
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 search 3.1 data communications 5 zu developpement en afrique.*.