Perhaps you should try some spelling variations:
oral communication » personal communication
dam developpement » de developpement, du developpement, au developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
rheologie die » theologie die, rheologie des, archaologie die
die variation » de variation, does variation, der variation
figures oral » figures draw, figures a, figures from
variation 1 » variations 1, variation _, variation 6
1 figures » 11 figures, 13 figures, _ figures
3 dam » 3 das, _ dam, a dam

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

• Adding a wildcard symbol may retrieve word variants: rheologie die variation 1 figures oral communication 3 dam developpement en afrique.*.