Perhaps you should try some spelling variations:
ruralen communication » rural communications, rural telecommunication, oral communication
communication series » communication services, communication systems, communication skills
developpement yes » developpement des, developpement de, developpement et
transformation 3 » transformation _, transformation a, transformation 1
c developpement » de developpement, le developpement, et developpement
der ruralen » der pluralen, der realen, der dualen
yes africa » em africa, cycles africa, rates africa
series c » series _, series 1, series 2
3 der » _ der, 2 der

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

• Adding a wildcard symbol may retrieve word variants: technologies _ transformation 3 der ruralen communication series c developpement yes africa.*.