Perhaps you should try some spelling variations:
oral communication » personal communication
die developpement » de developpement, le developpement, du developpement
developpement la » developpement de, developpement et, developpement du
formation among » formalization among, formation across
typologie der » typologie des, ideologie der
der formation » der information, der reformation, der formativen
among donors » among doctors, among actors
la afrique » l afrique, la fabrique, en afrique
a die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: typologie der formation among donors oral communication a die developpement la afrique.*.