Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
ides development » ads development, does development, smes development
development en » developpement en, development menu, development eco
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
der open » der oper, der opec, der tropen
des der » des dr, des ddr, des dem
a ides » _ ides
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation des der open communication a ides development en afrique.*.