Perhaps you should try some spelling variations:
oral communication » personal communication
variation series » education series, action series, edition series
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
series eg » series e, series new, series ein
l afrique » en afrique
media de » media die, media der, media diet
eg oral » new oral

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation series eg oral communication media de developpement l afrique.*.