Perhaps you should try some spelling variations:
oral communication » personal communication
does development » dams development, ides development, smes development
communication 3 » communication _, communication a
development des » development does, development desd, development ds
variation uber » variationen uber, variation bei, variation der
6 variation » 6 variations, _ variation, 2 variation
des afrique » en afrique, de l'afrique
typology 6 » typology _, typology 4.1
uber den » uber die
den oral » den ort, new oral
3 does » 13 does, 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 6 variation uber den oral communication 3 does development des afrique.*.