Perhaps you should try some spelling variations:
oral communication » personal communication
variation series » education series, action series, edition series
le developpement » de developpement, sme development
typologien does » typologie des, typologien der, typologie der
does variation » de variation, der variation, die variation
des afrique » en afrique, de l'afrique
series des » series de, series d, series e
des oral » des moral, des oil, des orts
media le » media love, media age, media law

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation series des oral communication media le developpement des afrique.*.