Perhaps you should try some spelling variations:
oral communication » personal communication
development west » development what, development where, development work
theologie die » theologie der, theologie des, theologie im
die variation » de variation, does variation, der variation
variation des » variation _, variation 6, variation series
eds oral » u.s oral, vs oral
des eds » des egks, des epos

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

• Adding a wildcard symbol may retrieve word variants: theologie die variation des eds oral communication _ gas development west africa.*.