Perhaps you should try some spelling variations:
communications juan » communication juan, communications can, communications plan
do communications » 10 communications, 14 communications, 2 communications
de developpement » sme development
des afrique » en afrique, de l'afrique
4.2 der » 2.2 der, 3.2 der
juan de » jan de, jean de
der do » der de, der db, der does

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 4.2 der do communications juan de developpement des afrique.*.