Perhaps you should try some spelling variations:
oral communication » personal communication
communication 13 » communication 1.3, communication 3, communication 1
does development » dams development, ides development, smes development
variation oder » variation der, variation over, variation des
development de » development d, development ds, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
de afrique » de l'afrique, en afrique, l afrique
oder des » oder der, oder das, oder den
des oral » des moral, des oil, des orts
13 does » 10 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 des oral communication 13 does development de afrique.*.