Perhaps you should try some spelling variations:
oral communication » personal communication
dam developpement » de developpement, du developpement, au developpement
communication pt » communication 3, communication 1, communication 2
developpement en » developpement et, developpement des, developpement de
rheologie die » theologie die, rheologie des, archaologie die
die variation » de variation, does variation, der variation
variation 11 » variations 11, variation 11.6, variation 4.1
figures oral » figures draw, figures a, figures from
11 figures » 1 figures, 13 figures, 1.2 figures

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

• Adding a wildcard symbol may retrieve word variants: rheologie die variation 11 figures oral communication pt dam developpement en afrique.*.