Perhaps you should try some spelling variations:
om communication » im communication, from communication, de communication
developpement de » developpement des, developpement durable
information 2.1 » information 12.1, information 2.2, information 2.7
a developpement » au developpement, de developpement, le developpement
2.1 debatten » 2.1 debate, 9.2 debatten, 3.2.6 debatten
debatten om » debatten um, debatte um, debatten zu
de afrique » de l'afrique, en afrique, l afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology _ information 2.1 debatten om communication costs a developpement de afrique.*.