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
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
des l'afrique » de l'afrique, de l'amerique
variation 6 » variation _, variations _, variation des
des opec » der opec, des opnv
2 does » 4 does
6 des » 26 des, 6 does, 6 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 6 des opec communication 2 does developpement des l'afrique.*.