Perhaps you should try some spelling variations:
communication barrieren » communication barriers, communication between, communication bahrain
leur developpement » le developpement, deux developpements, de developpement
developpement de » developpement des, developpement durable
3 communication » 4 communication, de communication, data communication
technologies 4 » technologies _
barrieren leur » barrieren der, barriere der, barrieren des
4 formation » 1 formation, a formation, 4 formulation
de afrique » de l'afrique, en afrique, l afrique
does 3 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 formation _ does 3 communication barrieren leur developpement de afrique.*.