Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
des developpement » des developpements, de developpement, le developpement
3 communication » 4 communication, de communication, data communication
technologies 3 » technologies _, technologies 4, technologies 2
formulation du » formulation de, formulation des, formulation _
3 formulation » _ formulation, _ formulating
barriere des » barrieren des, karriere des, barriere der
des farce » der farce
du does » do does, der does, du deces
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 du does 3 communication barriere des developpement des farce.*.