Perhaps you should try some spelling variations:
otras communication » optical communication, towards communication, actors communication
technologies basic » technologies based, technologies bit, technologies big
basic information » public information
information needs » information networks
de developpement » sme development
developpement de » developpement des, developpement durable
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 basic information needs _ otras communication a de developpement de l'afrique.*.