Perhaps you should try some spelling variations:
oral communication » personal communication
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
rheologie does » rheologie des, theologie des, theologie der
does variation » de variation, der variation, die variation
figures oral » figures draw, figures a, figures from
3 au » 3 auf, 3 a, 3 zu

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

• Adding a wildcard symbol may retrieve word variants: rheologie does variation _ figures oral communication 3 au developpement en afrique.*.