Perhaps you should try some spelling variations:
communications case » communication case, communications can, communications code
information 1.5.2 » information 1.2, information 2
dr communications » do communications, 10 communications, 14 communications
technologies can » technologies a, technologies co, technologies _
du developpement » de developpement, le developpement, et developpement
can information » von information, von informationen
des afrique » en afrique, de l'afrique
1.5.2 der » 3.5.2 der, 5.5.2 der, 1.5.4 der
case du » case d, case d1, case d2
der dr » der ddr, der der, der drg

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

• Adding a wildcard symbol may retrieve word variants: technologies can information 1.5.2 der dr communications case du developpement des afrique.*.