Perhaps you should try some spelling variations:
plane developpement » plane development, le developpement, plan development
sign communication » open communication, human communication, 3 communication
communication 3.3 » communication _, communication a, communication 1
developpement en » developpement et, developpement des, developpement de
technologie 2 » technologies 2, technologie c, technologie 3
3.3 plane » 3.3 plant, 3.3 phase, 2.3 plan
dce sign » dce design
law dce » la dce, law die

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

• Adding a wildcard symbol may retrieve word variants: technologie 2 information law dce sign communication 3.3 plane developpement en afrique.*.