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

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

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