Perhaps you should try some spelling variations:
oper communication » open communication, proper communication, power communication
does developpement » de developpement, des developpements, does development
developpement de » developpement des, developpement durable
communication 4 » communication _, communication a, communication 3
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
variation des » variation _, variation 6, variation series
de afrique » de l'afrique, en afrique, l afrique
dr oper » der oper, der opec, der open
4 does » 2 does

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

• Adding a wildcard symbol may retrieve word variants: typologie die variation des dr oper communication 4 does developpement de afrique.*.