Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information needs » information networks
de developpement » sme development
developpement de » developpement des, developpement durable
technologies 2 » technologies _, technologies 4
needs some » needs more, needs one, needs time
de africa » does africa, de america, use africa
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 2 information needs some personal communication a de developpement de africa.*.