Perhaps you should try some spelling variations:
oral communication » personal communication
information augen » information age, information after, information access
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
augen der » augen oder, augen des, auge 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 augen der oral communication costs _ developpement en afrique.*.