Perhaps you should try some spelling variations:
oral communication » personal communication
information auge » information age, information after, information alone
developpement en » developpement et, developpement des, developpement de
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
technology 2.2 » technology _, technology 1, technology 3
auge der » auge oder, augen der, zuge der
der oral » der moral, der ort, der orte

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 auge der oral communication costs _ developpement en afrique.*.