Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
des developpement » des developpements, de developpement, le developpement
developpement et » developpement des, developpement de, development east
6 variation » 6 variations, _ variation, 2 variation
variation 2 » variation 27, variation _, variation 6
typology 6 » typology _, typology 4.1
et afrique » en afrique, l afrique
der open » der oper, der opec, der tropen
2 der » _ der
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: typology 6 variation 2 der open communication a des developpement et afrique.*.