Perhaps you should try some spelling variations:
oral communication » personal communication
communication 1.1 » communication 4.1, communication 7.1, communication 1.3
die developpement » de developpement, le developpement, du developpement
developpement en » developpement et, developpement des, developpement de
variation oder » variation der, variation over, variation des
typologie its » typologie des, typologie et, typologie cices
its variation » its variations, does variation, les variations
oder den » oder der, wider den, uber den
den oral » den ort, new oral
1.1 die » 2.1 die, 3.1 die, 4.1 die

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

• Adding a wildcard symbol may retrieve word variants: typologie its variation oder den oral communication 1.1 die developpement en afrique.*.