Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
does developpement » de developpement, des developpements, does development
developpement en » developpement et, developpement des, developpement de
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
der open » der oper, der opec, der tropen
a does » 2 does, 4 does, 1 does
6 der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation 6 der open communication a does developpement en afrique.*.