Perhaps you should try some spelling variations:
areas developpement » area development, de developpement, le developpement
oral communication » personal communication
developpement en » developpement et, developpement des, developpement de
variation data » radiation data, variation rate, variation des
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
data debatte » die debatte, der debatte
debatte oral » debate moral, debatte als, debatte das

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation data debatte oral communication _ areas developpement en afrique.*.