Perhaps you should try some spelling variations:
oral communication » personal communication
das developpement » des developpements, de developpement, du developpement
technologies can » technologies a, technologies co, technologies _
developpement en » developpement et, developpement des, developpement de
can information » von information, von informationen
information 1.2 » information 1.5.2, information 2
de oral » de otras, new oral
1.2 de » 1.2 die, 1.2 der, 1.2 des
a das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: technologies can information 1.2 de oral communication a das developpement en afrique.*.