Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
de communication » mobile communication, online communication
de developpement » sme development
developpement de » developpement des, developpement durable
technologies re » technologies ret, technologies art, technologies _
formulation des » formation des, formulacion de, formulation _
re formulation » rule formulation, _ formulation, 3 formulation
barriere de » barriere der, barrieren der, barrieren des
de afrique » de l'afrique, en afrique, l afrique
des does » des doses, der does, des dorfes
does de » does debt

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies re formulation des does de communication barriere de developpement de afrique.*.