Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
clean development » human development, urban development
la communication » data communication, data communications
typologies des » typologie des, typologie der, typologien der
des variation » does variation, de variation, der variation
skills clean » skills can, spills cleanup, skills create
1 afrique » l afrique, en afrique, 1 enrique

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

• Adding a wildcard symbol may retrieve word variants: typologies des variation _ per la communication skills clean development 1 afrique.*.