Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
information needs » information networks
developpements en » developpement en, developpement et, developpements de
de communication » mobile communication, online communication
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
needs 2.5 » needs 4.5, needs 2.3, needs 2.8
2.5 de » 2.5 die, 2.5 der, 2.5 dve
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies co information needs 2.5 de communication a des developpements en afrique.*.