Perhaps you should try some spelling variations:
radio communication » crisis communication, data communication
does development » dams development, ides development, smes development
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
variation over » variation der, variation notes, variation des
does radio » das radio
over does » cover does, der does, over de
1 afrique » l afrique, en afrique, 1 enrique

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation over does radio communication _ does development 1 afrique.*.