Perhaps you should try some spelling variations:
oral communication » personal communication
does development » dams development, ides development, smes development
communication 3 » communication _, communication a
variation oder » variation der, variation over, variation des
development en » developpement en, development menu, development eco
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
oder den » oder der, wider den, uber den
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: typologie der variation oder den oral communication 3 does development en afrique.*.