Perhaps you should try some spelling variations:
oral communication » personal communication
does development » dams development, ides development, smes development
communication 2 » communication _, communication a, communication 3
variation uber » variationen uber, variation bei, variation der
development de » development d, development ds, developpement de
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
uber den » uber die
den oral » den ort, new oral
2 does » 4 does

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

• Adding a wildcard symbol may retrieve word variants: typology de variation uber den oral communication 2 does development de l'afrique.*.