Perhaps you should try some spelling variations:
der developpements » des developpements, deux developpements, de developpement
opec communication » open communication, optic communication, ec communication
developpements en » developpement en, developpement et, developpements de
communication 1 » communication _, communication a, communication 3
des variation » does variation, de variation, der variation
der opec » der oper, des opec, der opfer
1 der » 2 der, 3 der
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation _ der opec communication 1 der developpements en afrique.*.