Perhaps you should try some spelling variations:
technologies case » technologies based, technologies can, technologies create
do communications » 10 communications, 14 communications, 2 communications
case information » care information, based information, phase information
communications a » communications _, communications law, communications media
de developpement » sme development
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 do » 3.5 doa, 1.5 do, 3.5 co
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 case information table 3.5 do communications a de developpement de afrique.*.