Perhaps you should try some spelling variations:
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
des variation » does variation, de variation, der variation
variation 4 » variations 4, variation _, variation 6
de afrique » de l'afrique, en afrique, l afrique
does 3 » does _, does a, does d
does e » does de, does _, does a
3 der » _ der, 2 der
typologie » typologies, typology

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie des variation 4 ((does 3) OR (does e)) communication 3 der developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation 4 ((does 3) OR (does e)) communication 3 der developpement de afrique.*.