Perhaps you should try some spelling variations:
does developpement » de developpement, des developpements, does development
opec communication » open communication, optic communication, ec communication
developpement de » developpement des, developpement durable
communication 2 » communication _, communication a, communication 3
typologien die » typologien der, typologie des, typologie der
die variation » de variation, does variation, der variation
variation 3 » variation _, variation 6, variation 5
der opec » der oper, des opec, der opfer
2 does » 4 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: typologien die variation 3 der opec communication 2 does developpement de l'afrique.*.