Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
des developpements » deux developpements, de developpement, et developpements
formulation over » formation over, formulation model, formulation where
developpements l » developpements de, developpement il, developpement la
technologies re » technologies ret, technologies art, technologies _
i communication » ii communication, ai communication, 3 communication
re formulation » rule formulation, _ formulation, 3 formulation
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 re formulation over _ i communication barriers des developpements l afrique.*.