Perhaps you should try some spelling variations:
der communication » de communication, under communication, debt communication
innovation based » innovation case
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
communication 2 » communication _, communication a, communication 3
de afrique » de l'afrique, en afrique, l afrique
based 3.1 » bases 3.1, base 3.1, basel 3.1
3.1 der » 2.1 der
2 le » 2 les, 2 la, 2 de

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

• Adding a wildcard symbol may retrieve word variants: technologies _ innovation based 3.1 der communication 2 le developpement de afrique.*.