Perhaps you should try some spelling variations:
short introduction » intro introduction
ley communications » kenya communications, cell communications, peru communications
introduction 10.2 » introduction 1.1
technology short » technology shock, technology support, technology report
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
10.2 der » 10.2 die
der ley » de ley, der lee, der leyen

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

• Adding a wildcard symbol may retrieve word variants: technology short introduction 10.2 der ley communications _ du developpement de afrique.*.