Perhaps you should try some spelling variations:
convinced kommunikation » online kommunikation
farmers convinced » farmers confronted
et developpement » de developpement, le developpement, test development
developpement il » developpement de, developpement et, developpement du
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
il afrique » l afrique, en afrique
und et » und ed, und eg, quand et

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

• Adding a wildcard symbol may retrieve word variants: typology des variation _ farmers convinced kommunikation und et developpement il afrique.*.