Perhaps you should try some spelling variations:
oral communication » personal communication
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
theologie die » theologie der, theologie des, theologie im
die variation » de variation, does variation, der variation
variation der » variation des, variation bei, variation _
its oral » its oil, u.s oral, vs oral
der its » der ias, der items, der ifis
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: theologie die variation der its oral communication a der developpement en afrique.*.