Perhaps you should try some spelling variations:
de developpement » sme development
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
variation 3 » variation _, variation 6, variation 5
de afrique » de l'afrique, en afrique, l afrique
der 3 » der e, des 3, der a
3 de » 3 die, 3 der, 3 des

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

• If you are trying to use Boolean operators, they must be ALL CAPS: typologie de variation 3 ((der 3) OR (der _)) communication 3 de developpement de afrique.~.
• Adding a wildcard symbol may retrieve word variants: typologie de variation 3 ((der 3) or (der _)) communication 3 de developpement de afrique.*.