Perhaps you should try some spelling variations:
oral communication » personal communication
net developpement » et developpement, de developpement, le developpement
developpement et » developpement des, developpement de, development east
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
et afrique » en afrique, l afrique
from oral » from moral, from rural, from oil
a net » a new, _ net, a neo

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation _ from oral communication a net developpement et afrique.*.