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
et developpement » de developpement, le developpement, test development
developpement il » developpement de, developpement et, developpement du
barriere et » barriere der, barrieren der, barrieren des
il afrique » l afrique, en afrique
over does » cover does, der does, over de
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 et developpement il afrique.*.