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
4 communication » 3 communication, 5.4 communication, de communication
formulation du » formulation de, formulation des, formulation _
barriere der » barrieren der, barrieren des, barriera di
du does » do does, der does, du deces
does 4 » does _, does a, does e
arce. » arc., arne., arch.

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

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