Perhaps you should try some spelling variations:
tropen communication » open communication, proper communication, spoken communication
does developpement » de developpement, des developpements, does development
developpement en » developpement et, developpement des, developpement de
communication 4 » communication _, communication a, communication 3
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation 3 » variation _, variation 6, variation 5
der tropen » den tropen, der treppen, der open
4 does » 2 does
3 der » _ der, 2 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 3 der tropen communication 4 does developpement en afrique.*.