Perhaps you should try some spelling variations:
oral communication » personal communication
communication 10 » communication 1, communication _, communication a
de developpement » sme development
based variation » based validation, based valuation, based vaccination
developpement l » developpement il, developpement la, developpement de
colonies based » colleges based, policies based, ontologies based
variation der » variation des, variation bei, variation _
l afrique » en afrique
de oral » de otras, new oral
10 de » 10 die, 10 der, 10 des

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

• Adding a wildcard symbol may retrieve word variants: colonies based variation der de oral communication 10 de developpement l afrique.*.