Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
des developpements » deux developpements, de developpement, et developpements
technologies case » technologies based, technologies can, technologies create
case formulation » basic formulation, chain formulation, space formulation
formulation over » formation over, formulation model, formulation where
developpements l » developpements de, developpement il, developpement la
i communication » ii communication, ai communication, 3 communication
barriers des » barrieren des, barriere der, barriers d
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies case formulation over _ i communication barriers des developpements l afrique.*.