Perhaps you should try some spelling variations:
communication barriere » communication barriers, communication series, communication based
data communication » data communications
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technologie 3 » technologies 3, technologie 3d, technologie c
3 simulation » 4 simulation, 3.1 simulation, der simulation
barriere des » barrieren des, karriere des, barriere der

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

• Adding a wildcard symbol may retrieve word variants: technologie 3 simulation _ cases data communication barriere des developpement en afrique.*.