Perhaps you should try some spelling variations:
communications cases » communications case, communications costs, communication case
information 2.3.2 » information 2.2.2, information 4.3.2, information 3.2
do communications » 10 communications, 14 communications, 2 communications
all developpement » le developpement, au developpement, all development
technologies can » technologies a, technologies co, technologies _
developpement de » developpement des, developpement durable
can information » von information, von informationen
de afrique » de l'afrique, en afrique, l afrique
2.3.2 der » 2.3.1 der, 3.3.2 der, 4.3.2 der
cases all » case all, cases small, cases a
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 can information 2.3.2 der do communications cases all developpement de afrique.*.