Perhaps you should try some spelling variations:
communications cases » communications case, communications costs, communication case
technologies from » technology from, technologies co, technologies art
information 2.3.3 » information 4.3.3, information 2.3.2, information 3.3.3
do communications » 10 communications, 14 communications, 2 communications
from information » from informal, 1 information
au developpement » du developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
2.3.3 der » 2.3.1 der, 2.3.2 der, 3.3.3 der
l afrique » en afrique
cases au » cases a, cases all, cases _
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 from information 2.3.3 der do communications cases au developpement l afrique.*.