Perhaps you should try some spelling variations:
oral communication » personal communication
bab developpement » au developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
variation des » variation _, variation 6, variation series
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
new oral » new moral, knew moral, new rural
a bab » am bab, a bad

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

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