Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
leur developpement » le developpement, deux developpements, de developpement
developpement la » developpement de, developpement et, developpement du
technologies re » technologies ret, technologies art, technologies _
formulation one » formulation over, formulation de, formulation model
e communication » de communication, 1 communication, une communication
re formulation » rule formulation, _ formulation, 3 formulation
barriere leur » barriere der, barriers learn, barrieren der
la afrique » l afrique, la fabrique, en 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 re formulation one does e communication barriere leur developpement la afrique.*.