Perhaps you should try some spelling variations:
oral communication » personal communication
communication 3.2 » communication 3.3, communication 3.4, communication 2
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
variation among » starvation among, formation among, variation von
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
among goes » among boys, among les, among forest
goes oral » goes viral
3.2 au » 3.2 auf, 3.2 ai, 3.2 ad

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation among goes oral communication 3.2 au developpement en afrique.*.