Perhaps you should try some spelling variations:
oral communication » personal communication
developpements de » developpement de, developpement des, developpement du
variation being » variation bei, variation using, variation among
de variation » der variation, die variation, does variation
apologie de » apologie des, apologia de, apologien der
being does » lending does, reading does
de afrique » de l'afrique, en afrique, l afrique
does oral » does formal, does oil
a bet » a best, a bent, a beta
a et » a set, a net, a jet

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

• If you are trying to use Boolean operators, they must be ALL CAPS: apologie de variation being does oral communication ((a et) OR (a bet)) developpements de afrique.~.
• Adding a wildcard symbol may retrieve word variants: apologie de variation being does oral communication ((a et) or (a bet)) developpements de afrique.*.