Perhaps you should try some spelling variations:
oral communication » personal communication
et developpement » de developpement, le developpement, test development
developpement la » developpement de, developpement et, developpement du
apologien de » apologien der, apologia de, apologie des
de variation » der variation, die variation, does variation
variation a » variation _, variation 6, variation 5
la afrique » l afrique, la fabrique, en afrique
know oral » new oral
a know » a known, _ know, i know
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 de variation a know oral communication a et developpement la afrique.*.