Perhaps you should try some spelling variations:
oral communication » personal communication
due developpement » de developpement, du developpement, le developpement
variation across » variations across, education across, variation series
developpement la » developpement de, developpement et, developpement du
communication 4 » communication _, communication a, communication 3
typologien die » typologien der, typologie des, typologie der
die variation » de variation, does variation, der variation
across does » across modes, across ages, across rows
la afrique » l afrique, la fabrique, en afrique
does oral » does formal, does oil
4 due » 4 die, _ due, 1 due

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

• Adding a wildcard symbol may retrieve word variants: typologien die variation across does oral communication 4 due developpement la afrique.*.