Perhaps you should try some spelling variations:
particle communication » parte communication, partie communications, active communication
information needs » information networks
de developpement » sme development
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
4.2 particle » 3.2 particle, 4 particle, 4.2 partial
des afrique » en afrique, de l'afrique
needs 4.2 » needs 4.3, needs 4.5, needs 4.1
a de » a die, a der, a des

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 4.2 particle communication a de developpement des afrique.*.