Perhaps you should try some spelling variations:
communications case » communication case, communications can, communications code
do communications » 10 communications, 14 communications, 2 communications
le developpement » de developpement, sme development
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
des afrique » en afrique, de l'afrique
3.2 der » 2.2 der
case le » case l, case la, case like
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 a information 3.2 der do communications case le developpement des afrique.*.