Perhaps you should try some spelling variations:
information search » information sharing, information service, information sources
des developpement » des developpements, de developpement, le developpement
developpement et » developpement des, developpement de, development east
4 communication » 3 communication, 5.4 communication, de communication
communication 3 » communication _, communication a
search dem » search term, search terms, search model
et afrique » en afrique, l afrique
dem 4 » dem _, dem 2, dem 1
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 search dem 4 communication 3 des developpement et afrique.*.