Perhaps you should try some spelling variations:
oral communication » personal communication
developpement en » developpement et, developpement des, developpement de
communication 2 » communication _, communication a, communication 3
a developpement » au developpement, de developpement, le developpement
variation its » variation des, variation im, variation i
6 variation » 6 variations, _ variation, 2 variation
typology 6 » typology _, typology 4.1
first oral » first organ, first deal, first drupal

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

• Adding a wildcard symbol may retrieve word variants: typology 6 variation its first oral communication 2 a developpement en afrique.*.