Perhaps you should try some spelling variations:
information portals » information problems, information policies, information products
das developpement » des developpements, de developpement, du developpement
technologies bit » technologies art, technologies box, technologies _
developpement de » developpement des, developpement durable
bit information » ct information, get information, iot information
portals 3.1 » portal 13.1, portal 7.1, portals 2001
de afrique » de l'afrique, en afrique, l afrique
3.1 mass » 6.1 mass, 3.1 main
a das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: technologies bit information portals 3.1 mass communication a das developpement de afrique.*.