Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
de developpement » sme development
developpement de » developpement des, developpement durable
variation 11.6 » variation 1.1.1, variations 10.1.6, variation 10.4.6
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
11.6 dr » 11.6 die
dr open » der open, d open, door open
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation 11.6 dr open communication a de developpement de l'afrique.*.