Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
der developpement » de developpement, des developpements, leur developpement
developpement et » developpement des, developpement de, development east
4 communication » 3 communication, 5.4 communication, de communication
technologies a » technologies _, technologies 4, technologies 2
a formulation » la formulation, _ formulation, 3 formulation
barriere der » barrieren der, barrieren des, barriera di
does 4 » does _, does a, does e
faire. » fairs., fair., fare.

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

• Adding a wildcard symbol may retrieve word variants: technologies a formulation _ does 4 communication barriere der developpement et faire.*.