Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
new communication » de communication, ec communication, et communication
topologies 10.6 » topologies 9.4.2
developpement l » developpement il, developpement la, developpement de
10.6 variation » 1.1 variation, 1.3 variation, 1.4 variation
l afrique » en afrique
der new » under new, der neue

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

• Adding a wildcard symbol may retrieve word variants: topologies 10.6 variation _ der new communication a leur developpement l afrique.*.