Perhaps you should try some spelling variations:
oral communication » personal communication
set developpements » et developpements, et developpement, des developpements
developpements de » developpement de, developpement des, developpement du
communication 3 » communication _, communication a
variation der » variation des, variation bei, variation _
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
3 set » _ set, a set, 2 set

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

• Adding a wildcard symbol may retrieve word variants: typology de variation der _ oral communication 3 set developpements de l'afrique.*.