Perhaps you should try some spelling variations:
oper communication » open communication, proper communication, power communication
does developpement » de developpement, des developpements, does development
variation series » education series, action series, edition series
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
series der » serien der, series de, series d
der oper » der opfer, der oder
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation series der oper communication _ does developpement en afrique.*.