Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
variation des » variation _, variation 6, variation series
informed oral » informed rural
des informed » do informed, design informed, models informed
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: typology _ variation des informed oral communication 3 de developpement en afrique.*.