Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpement de » developpement des, developpement durable
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
information und » informations und
technology 2.2 » technology _, technology 1, technology 3
de afrique » de l'afrique, en afrique, l afrique
und a » und _, und 2, und 3
a 2.7 » a 2.1, a 2.2, a 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 information und a 2.7 communication costs _ developpement de afrique.*.