Perhaps you should try some spelling variations:
oral communication » personal communication
does development » dams development, ides development, smes development
communication 4 » communication _, communication a, communication 3
variation des » variation _, variation 6, variation series
development l » development li, development 1, development law
typologie et » typologie des, typologie der, typologie von
et variation » der variation, bei variation, 2 variation
l afrique » en afrique
der oral » der moral, der ort, der orte
des der » des dr, des ddr, des dem
4 does » 2 does

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

• Adding a wildcard symbol may retrieve word variants: typologie et variation des der oral communication 4 does development l afrique.*.