Perhaps you should try some spelling variations:
opec communication » open communication, optic communication, ec communication
die developpement » de developpement, le developpement, du developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
des variation » does variation, de variation, der variation
de l'amerique » de l'afrique
variation 3 » variation _, variation 6, variation 5
dies opec » des opec, die opec, der opec
3 dies » 3 dits, _ dies, 3 duties
3 die » 2 die, _ die
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 3 dies opec communication 3 die developpement de l'amerique.*.