Perhaps you should try some spelling variations:
oral communication » personal communication
au developpement » du developpement, de developpement, le developpement
variation among » starvation among, formation among, variation von
theologie die » theologie der, theologie des, theologie im
die variation » de variation, does variation, der variation
des afrique » en afrique, de l'afrique

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

• Adding a wildcard symbol may retrieve word variants: theologie die variation among boys oral communication _ au developpement des afrique.*.