Perhaps you should try some spelling variations:
autors communication » actors communication, actions communication, networks communication
does development » dams development, ides development, smes development
typologie cices » typologie eines, typologie des
cices variation » price variation, die variation, does variation
development eco » development second, development east, development menu
variation 6 » variation _, variations _, variation des
eco afrique » en afrique
der autors » der autor, des autors, der autoren
6 der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: typologie cices variation 6 der autors communication _ does development eco afrique.*.