Perhaps you should try some spelling variations:
power developpement » power development, power developments, powers development
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
variation did » variation des, variation der, variation im
did so » did do
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 did so _ communication a power developpement en afrique.*.