Perhaps you should try some spelling variations:
vos communications » vs communications, laos communications, do communications
technologies case » technologies based, technologies can, technologies create
des developpement » des developpements, de developpement, le developpement
case information » care information, based information, phase information
communications a » communications _, communications law, communications media
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
table 3.5 » table 3.1, table 3.2, table 4.5
3.5 vos » 3.5 vom
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 case information table 3.5 vos communications a des developpement de afrique.*.