Perhaps you should try some spelling variations:
speed communications » based communication, cell communications, guinea communications
state information » states information, estate information, state formation
technology state » technology strategy, technology system, technology study
de developpement » sme development
developpement du » developpement de, developpement des, developpement et
information 2.3 » information 12.3, information 1.3, information 2.2
du afrique » en afrique, l afrique, de l'afrique
das speed » bias speed, das spiel, a speed
2.3 das » 3.3 das, 2.3 data

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

• Adding a wildcard symbol may retrieve word variants: technology state information 2.3 das speed communications _ de developpement du afrique.*.