Perhaps you should try some spelling variations:
de developpement » sme development
developpement de » developpement des, developpement durable
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
variation did » variation des, variation der, variation im
did do » aid do, did so
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: apologien der variation did do _ communication a de developpement de l'afrique.*.