Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
formulation over » formation over, formulation model, formulation where
de communication » mobile communication, online communication
en developpement » et developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
barriere en » barriere der, barrieren und, barrieren der
over does » cover does, der does, over de
l afrique » en afrique
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 _ formulation over does de communication barriere en developpement l afrique.*.