Perhaps you should try some spelling variations:
does developpement » de developpement, des developpements, does development
opec communication » open communication, optic communication, ec communication
communication 2 » communication _, communication a, communication 3
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
des afrique » en afrique, de l'afrique
der opec » der oper, des opec, der opfer
des der » des dr, des ddr, des dem
2 does » 4 does

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

• Adding a wildcard symbol may retrieve word variants: apologien der variation des der opec communication 2 does developpement des afrique.*.