Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
data communication » data communications
typologies der » typologie der, typologien der, typologie des
development en » developpement en, development menu, development eco
der variation » de variation, does variation, die variation
skills human » skilled human, skills demand, skills can
per data » power data, poor data, user data

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

• Adding a wildcard symbol may retrieve word variants: typologies der variation _ per data communication skills human development en afrique.*.