Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
la communication » data communication, data communications
plan development » clean development, land development, human development
development en » developpement en, development menu, development eco
des variation » does variation, de variation, der variation
skills plan » skills can, skills explain
der la » per la, mer la, der lage

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(typologie OR typology) des variation _ der la communication skills plan development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: (typologie OR typology) des variation _ der la communication skills plan development en afrique.*.