Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
leur developpement » le developpement, deux developpements, de developpement
developpement du » developpement de, developpement des, developpement et
technologies la » technologies a, technologies le, technologies lead
formulation der » formulation des, formulation de, formulation over
e communication » de communication, 1 communication, une communication
la formulation » la formulacion, _ formulation, la formation
barriere leur » barriere der, barriers learn, barrieren der
du afrique » en afrique, l afrique, de l'afrique
does e » does de, does _, does a

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

• Adding a wildcard symbol may retrieve word variants: technologies la formulation der does e communication barriere leur developpement du afrique.*.