Perhaps you should try some spelling variations:
oral communication » personal communication
die developpement » de developpement, le developpement, du developpement
developpement en » developpement et, developpement des, developpement de
formation among » formalization among, formation across
typologie der » typologie des, ideologie der
der formation » der information, der reformation, der formativen
among does » among boys, among les, among donors
does oral » does formal, does oil
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 does oral communication a die developpement en afrique.*.