Perhaps you should try some spelling variations:
oral communication » personal communication
communication pt » communication 3, communication 1, communication 2
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
figures oral » figures draw, figures a, figures from
pt du » et du, pt d

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

• Adding a wildcard symbol may retrieve word variants: ideologie der variation _ figures oral communication pt du developpement en afrique.*.