Perhaps you should try some spelling variations:
oral communication » personal communication
technologies case » technologies based, technologies can, technologies create
information faire » information failure, information fake, information failures
case information » care information, based information, phase information
de developpement » sme development
des afrique » en afrique, de l'afrique
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 faire _ oral communication a de developpement des afrique.*.