Perhaps you should try some spelling variations:
oral communication » personal communication
developpment east » development east, development fast, development past
et developpment » et developpement, et developpements, en developpement
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
east afrique » east africa, east african, en afrique
variation 6 » variation _, variations _, variation des
firm oral » firm rural
6 firm » 6 firms, a firm, 3 firm
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: typologien der variation 6 firm oral communication a et developpment east afrique.*.