Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
3 communication » 4 communication, de communication, data communication
technologies 3 » technologies _, technologies 4, technologies 2
3 formulation » _ formulation, _ formulating
barriere der » barrieren der, barrieren des, barriera di
de farce » der farce, de arce, de force
does 3 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies 3 formulation _ does 3 communication barriere der developpement de farce.*.