Perhaps you should try some spelling variations:
der developpements » des developpements, deux developpements, de developpement
open communication » human communication, 3 communication, 4 communication
developpements en » developpement en, developpement et, developpements de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
der open » der oper, der opec, der tropen
a der » 2 der, 3 der, 1 der

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ der open communication a der developpements en afrique.*.