Perhaps you should try some spelling variations:
oral communication » personal communication
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
typologies de » typologien der, typologies _, typologie des
variation des » variation _, variation 6, variation series
de variation » der variation, die variation, does variation
first oral » first organ, first deal, first drupal
des first » its first, his first, vs first
a a » a la

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

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