Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
typologies de » typologien der, typologies _, typologie des
de variation » der variation, die variation, does variation
loss oral » loss formal, class oral
media de » media die, media der, media diet

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

• Adding a wildcard symbol may retrieve word variants: typologies de variation _ loss oral communication media de developpement en afrique.*.