Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
innovation based » innovation case
de developpement » sme development
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
based 4.1 » based 4.3, used 4.1
l afrique » en afrique
4.1 open » 4.10 open, 2.1 open, 3.1 open
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ innovation based 4.1 open communication 3 de developpement l afrique.*.