Perhaps you should try some spelling variations:
oral communication » personal communication
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
technologies 1 » technologies _, technologies 4, technologies 2
information 4 » information 2
power oral » power oil
4 power » 2 power, 3 power
3 des » 3 der, 3 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information 4 power oral communication 3 des developpement en afrique.*.