Perhaps you should try some spelling variations:
oral communication » personal communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
der variations » der variation, 1er variations, ier variations
apologien der » typologien der, apologie des, ideologien der
knew oral » knew moral, new oral, new moral
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: apologien der variations _ knew oral communication a et developpement en afrique.*.