Perhaps you should try some spelling variations:
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
developpement de » developpement des, developpement durable
nd information » und information, d information, od information
storage spaces » storage space, storage replaces, storage sites
technology nd » technology new, technology 1, technology 3
spaces 1.1 » spaces 2.1
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology nd information storage spaces 1.1 communication costs _ developpement de afrique.*.